420420000

素因数分解:

$2^5\times 3^1\times 5^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:71

約数の個数: 720

約数和(自身を含む): 1884671712

約数和(自身を除く): 1464251712

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 20, 21, 22, 24, 25, 26, 28, 30, 32, 33, 35, 39, 40, 42, 44, 48, 49, 50, 52, 55, 56, 60, 65, 66, 70, 75, 77, 78, 80, 84, 88, 91, 96, 98, 100, 104, 105, 110, 112, 120, 125, 130, 132, 140, 143, 147, 150, 154, 156, 160, 165, 168, 175, 176, 182, 195, 196, 200, 208, 210, 220, 224, 231, 240, 245, 250, 260, 264, 273, 275, 280, 286, 294, 300, 308, 312, 325, 330, 336, 350, 352, 364, 375, 385, 390, 392, 400, 416, 420, 429, 440, 455, 462, 480, 490, 500, 520, 525, 528, 539, 546, 550, 560, 572, 588, 600, 616, 624, 625, 637, 650, 660, 672, 700, 715, 728, 735, 750, 770, 780, 784, 800, 825, 840, 858, 875, 880, 910, 924, 975, 980, 1000, 1001, 1040, 1050, 1056, 1078, 1092, 1100, 1120, 1144, 1155, 1176, 1200, 1225, 1232, 1248, 1250, 1274, 1300, 1320, 1365, 1375, 1400, 1430, 1456, 1470, 1500, 1540, 1560, 1568, 1617, 1625, 1650, 1680, 1716, 1750, 1760, 1820, 1848, 1875, 1911, 1925, 1950, 1960, 2000, 2002, 2080, 2100, 2145, 2156, 2184, 2200, 2275, 2288, 2310, 2352, 2400, 2450, 2464, 2500, 2548, 2600, 2625, 2640, 2695, 2730, 2750, 2800, 2860, 2912, 2940, 3000, 3003, 3080, 3120, 3185, 3234, 3250, 3300, 3360, 3432, 3500, 3575, 3640, 3675, 3696, 3750, 3822, 3850, 3900, 3920, 4000, 4004, 4125, 4200, 4290, 4312, 4368, 4375, 4400, 4550, 4576, 4620, 4704, 4875, 4900, 5000, 5005, 5096, 5200, 5250, 5280, 5390, 5460, 5500, 5600, 5720, 5775, 5880, 6000, 6006, 6125, 6160, 6240, 6370, 6468, 6500, 6600, 6825, 6864, 6875, 7000, 7007, 7150, 7280, 7350, 7392, 7500, 7644, 7700, 7800, 7840, 8008, 8085, 8125, 8250, 8400, 8580, 8624, 8736, 8750, 8800, 9100, 9240, 9555, 9625, 9750, 9800, 10000, 10010, 10192, 10400, 10500, 10725, 10780, 10920, 11000, 11375, 11440, 11550, 11760, 12000, 12012, 12250, 12320, 12740, 12936, 13000, 13125, 13200, 13475, 13650, 13728, 13750, 14000, 14014, 14300, 14560, 14700, 15000, 15015, 15288, 15400, 15600, 15925, 16016, 16170, 16250, 16500, 16800, 17160, 17248, 17500, 17875, 18200, 18375, 18480, 19110, 19250, 19500, 19600, 20000, 20020, 20384, 20625, 21000, 21021, 21450, 21560, 21840, 22000, 22750, 22880, 23100, 23520, 24024, 24375, 24500, 25025, 25480, 25872, 26000, 26250, 26400, 26950, 27300, 27500, 28000, 28028, 28600, 28875, 29400, 30000, 30030, 30576, 30625, 30800, 31200, 31850, 32032, 32340, 32500, 33000, 34125, 34320, 35000, 35035, 35750, 36400, 36750, 36960, 38220, 38500, 39000, 39200, 40040, 40425, 41250, 42000, 42042, 42900, 43120, 43680, 44000, 45500, 46200, 47775, 48048, 48125, 48750, 49000, 50050, 50960, 51744, 52000, 52500, 53625, 53900, 54600, 55000, 56056, 56875, 57200, 57750, 58800, 60000, 60060, 61152, 61250, 61600, 63700, 64680, 65000, 66000, 67375, 68250, 68640, 70000, 70070, 71500, 72800, 73500, 75075, 76440, 77000, 78000, 79625, 80080, 80850, 82500, 84000, 84084, 85800, 86240, 89375, 91000, 91875, 92400, 95550, 96096, 96250, 97500, 98000, 100100, 101920, 105000, 105105, 107250, 107800, 109200, 110000, 112112, 113750, 114400, 115500, 117600, 120120, 122500, 125125, 127400, 129360, 130000, 132000, 134750, 136500, 140000, 140140, 143000, 144375, 147000, 150150, 152880, 154000, 156000, 159250, 160160, 161700, 165000, 168168, 170625, 171600, 175175, 178750, 182000, 183750, 184800, 191100, 192500, 195000, 196000, 200200, 202125, 210000, 210210, 214500, 215600, 218400, 220000, 224224, 227500, 231000, 238875, 240240, 245000, 250250, 254800, 258720, 260000, 268125, 269500, 273000, 280280, 286000, 288750, 294000, 300300, 305760, 308000, 318500, 323400, 330000, 336336, 336875, 341250, 343200, 350350, 357500, 364000, 367500, 375375, 382200, 385000, 390000, 398125, 400400, 404250, 420000, 420420, 429000, 431200, 455000, 462000, 477750, 480480, 490000, 500500, 509600, 525525, 536250, 539000, 546000, 560560, 572000, 577500, 588000, 600600, 625625, 637000, 646800, 660000, 672672, 673750, 682500, 700700, 715000, 735000, 750750, 764400, 770000, 780000, 796250, 800800, 808500, 840840, 858000, 875875, 910000, 924000, 955500, 980000, 1001000, 1010625, 1051050, 1072500, 1078000, 1092000, 1121120, 1155000, 1194375, 1201200, 1251250, 1274000, 1293600, 1347500, 1365000, 1401400, 1430000, 1470000, 1501500, 1528800, 1540000, 1592500, 1617000, 1681680, 1716000, 1751750, 1820000, 1876875, 1911000, 2002000, 2021250, 2102100, 2145000, 2156000, 2310000, 2388750, 2402400, 2502500, 2548000, 2627625, 2695000, 2730000, 2802800, 2860000, 2940000, 3003000, 3185000, 3234000, 3363360, 3503500, 3753750, 3822000, 4004000, 4042500, 4204200, 4290000, 4379375, 4620000, 4777500, 5005000, 5255250, 5390000, 5460000, 5605600, 6006000, 6370000, 6468000, 7007000, 7507500, 7644000, 8085000, 8408400, 8580000, 8758750, 9555000, 10010000, 10510500, 10780000, 12012000, 12740000, 13138125, 14014000, 15015000, 16170000, 16816800, 17517500, 19110000, 20020000, 21021000, 26276250, 28028000, 30030000, 32340000, 35035000, 38220000, 42042000, 52552500, 60060000, 70070000, 84084000, 105105000, 140140000, 210210000, 420420000]

約数ペア:

[(1, 420420000), (2, 210210000), (3, 140140000), (4, 105105000), (5, 84084000), (6, 70070000), (7, 60060000), (8, 52552500), (10, 42042000), (11, 38220000), (12, 35035000), (13, 32340000), (14, 30030000), (15, 28028000), (16, 26276250), (20, 21021000), (21, 20020000), (22, 19110000), (24, 17517500), (25, 16816800), (26, 16170000), (28, 15015000), (30, 14014000), (32, 13138125), (33, 12740000), (35, 12012000), (39, 10780000), (40, 10510500), (42, 10010000), (44, 9555000), (48, 8758750), (49, 8580000), (50, 8408400), (52, 8085000), (55, 7644000), (56, 7507500), (60, 7007000), (65, 6468000), (66, 6370000), (70, 6006000), (75, 5605600), (77, 5460000), (78, 5390000), (80, 5255250), (84, 5005000), (88, 4777500), (91, 4620000), (96, 4379375), (98, 4290000), (100, 4204200), (104, 4042500), (105, 4004000), (110, 3822000), (112, 3753750), (120, 3503500), (125, 3363360), (130, 3234000), (132, 3185000), (140, 3003000), (143, 2940000), (147, 2860000), (150, 2802800), (154, 2730000), (156, 2695000), (160, 2627625), (165, 2548000), (168, 2502500), (175, 2402400), (176, 2388750), (182, 2310000), (195, 2156000), (196, 2145000), (200, 2102100), (208, 2021250), (210, 2002000), (220, 1911000), (224, 1876875), (231, 1820000), (240, 1751750), (245, 1716000), (250, 1681680), (260, 1617000), (264, 1592500), (273, 1540000), (275, 1528800), (280, 1501500), (286, 1470000), (294, 1430000), (300, 1401400), (308, 1365000), (312, 1347500), (325, 1293600), (330, 1274000), (336, 1251250), (350, 1201200), (352, 1194375), (364, 1155000), (375, 1121120), (385, 1092000), (390, 1078000), (392, 1072500), (400, 1051050), (416, 1010625), (420, 1001000), (429, 980000), (440, 955500), (455, 924000), (462, 910000), (480, 875875), (490, 858000), (500, 840840), (520, 808500), (525, 800800), (528, 796250), (539, 780000), (546, 770000), (550, 764400), (560, 750750), (572, 735000), (588, 715000), (600, 700700), (616, 682500), (624, 673750), (625, 672672), (637, 660000), (650, 646800), (660, 637000), (672, 625625), (700, 600600), (715, 588000), (728, 577500), (735, 572000), (750, 560560), (770, 546000), (780, 539000), (784, 536250), (800, 525525), (825, 509600), (840, 500500), (858, 490000), (875, 480480), (880, 477750), (910, 462000), (924, 455000), (975, 431200), (980, 429000), (1000, 420420), (1001, 420000), (1040, 404250), (1050, 400400), (1056, 398125), (1078, 390000), (1092, 385000), (1100, 382200), (1120, 375375), (1144, 367500), (1155, 364000), (1176, 357500), (1200, 350350), (1225, 343200), (1232, 341250), (1248, 336875), (1250, 336336), (1274, 330000), (1300, 323400), (1320, 318500), (1365, 308000), (1375, 305760), (1400, 300300), (1430, 294000), (1456, 288750), (1470, 286000), (1500, 280280), (1540, 273000), (1560, 269500), (1568, 268125), (1617, 260000), (1625, 258720), (1650, 254800), (1680, 250250), (1716, 245000), (1750, 240240), (1760, 238875), (1820, 231000), (1848, 227500), (1875, 224224), (1911, 220000), (1925, 218400), (1950, 215600), (1960, 214500), (2000, 210210), (2002, 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(12320, 34125), (12740, 33000), (12936, 32500), (13000, 32340), (13125, 32032), (13200, 31850), (13475, 31200), (13650, 30800), (13728, 30625), (13750, 30576), (14000, 30030), (14014, 30000), (14300, 29400), (14560, 28875), (14700, 28600), (15000, 28028), (15015, 28000), (15288, 27500), (15400, 27300), (15600, 26950), (15925, 26400), (16016, 26250), (16170, 26000), (16250, 25872), (16500, 25480), (16800, 25025), (17160, 24500), (17248, 24375), (17500, 24024), (17875, 23520), (18200, 23100), (18375, 22880), (18480, 22750), (19110, 22000), (19250, 21840), (19500, 21560), (19600, 21450), (20000, 21021), (20020, 21000), (20384, 20625)]