217777560

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1$

素因数の和:96

約数の個数: 512

約数和(自身を含む): 919296000

約数和(自身を除く): 701518440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 20, 21, 22, 24, 26, 28, 30, 33, 35, 37, 39, 40, 42, 44, 49, 52, 55, 56, 60, 65, 66, 70, 74, 77, 78, 84, 88, 91, 98, 104, 105, 110, 111, 120, 130, 132, 140, 143, 147, 148, 154, 156, 165, 168, 182, 185, 195, 196, 210, 220, 222, 231, 245, 259, 260, 264, 273, 280, 286, 294, 296, 308, 312, 330, 343, 364, 370, 385, 390, 392, 407, 420, 429, 440, 444, 455, 462, 481, 490, 518, 520, 539, 546, 555, 572, 588, 616, 637, 660, 686, 715, 728, 735, 740, 770, 777, 780, 814, 840, 858, 888, 910, 924, 962, 980, 1001, 1029, 1036, 1078, 1092, 1110, 1144, 1155, 1176, 1221, 1274, 1295, 1320, 1365, 1372, 1430, 1443, 1470, 1480, 1540, 1554, 1560, 1617, 1628, 1715, 1716, 1813, 1820, 1848, 1911, 1924, 1960, 2002, 2035, 2058, 2072, 2145, 2156, 2184, 2220, 2310, 2405, 2442, 2548, 2590, 2695, 2730, 2744, 2849, 2860, 2886, 2940, 3003, 3080, 3108, 3185, 3234, 3256, 3367, 3430, 3432, 3626, 3640, 3773, 3822, 3848, 3885, 4004, 4070, 4116, 4290, 4312, 4440, 4459, 4620, 4810, 4884, 5005, 5096, 5145, 5180, 5291, 5390, 5439, 5460, 5698, 5720, 5772, 5880, 6006, 6105, 6216, 6370, 6468, 6734, 6860, 7007, 7215, 7252, 7546, 7644, 7770, 8008, 8085, 8140, 8232, 8547, 8580, 8918, 9065, 9240, 9555, 9620, 9768, 10010, 10101, 10290, 10360, 10582, 10780, 10878, 10920, 11319, 11396, 11544, 12012, 12210, 12691, 12740, 12936, 13377, 13468, 13720, 14014, 14245, 14430, 14504, 15015, 15092, 15288, 15540, 15873, 16170, 16280, 16835, 17094, 17160, 17836, 18130, 18865, 19110, 19240, 19943, 20020, 20202, 20580, 21021, 21164, 21560, 21756, 22295, 22638, 22792, 23569, 24024, 24420, 25382, 25480, 26455, 26754, 26936, 27195, 28028, 28490, 28860, 30030, 30184, 31080, 31746, 32340, 33670, 34188, 35035, 35672, 36260, 37037, 37730, 38073, 38220, 39886, 40040, 40404, 41160, 42042, 42328, 42735, 43512, 44590, 45276, 47138, 48840, 49049, 50505, 50764, 52910, 53508, 54390, 56056, 56595, 56980, 57720, 59829, 60060, 63455, 63492, 64680, 66885, 67340, 68376, 70070, 70707, 72520, 74074, 75460, 76146, 76440, 79365, 79772, 80808, 84084, 85470, 89180, 90552, 94276, 98098, 99715, 101010, 101528, 105105, 105820, 107016, 108780, 111111, 113190, 113960, 117845, 119658, 120120, 126910, 126984, 133770, 134680, 139601, 140140, 141414, 147147, 148148, 150920, 152292, 158730, 159544, 164983, 168168, 170940, 178360, 185185, 188552, 190365, 196196, 199430, 202020, 210210, 211640, 217560, 222222, 226380, 235690, 239316, 245245, 253820, 259259, 267540, 279202, 280280, 282828, 294294, 296296, 299145, 304584, 317460, 329966, 341880, 353535, 370370, 380730, 392392, 398860, 404040, 418803, 420420, 444444, 452760, 471380, 478632, 490490, 494949, 507640, 518518, 535080, 555555, 558404, 565656, 588588, 598290, 634920, 659932, 698005, 707070, 735735, 740740, 761460, 777777, 797720, 824915, 837606, 840840, 888888, 942760, 980980, 989898, 1037036, 1111110, 1116808, 1177176, 1196580, 1296295, 1319864, 1396010, 1414140, 1471470, 1481480, 1522920, 1555554, 1649830, 1675212, 1814813, 1961960, 1979796, 2074072, 2094015, 2222220, 2393160, 2474745, 2592590, 2792020, 2828280, 2942940, 3111108, 3299660, 3350424, 3629626, 3888885, 3959592, 4188030, 4444440, 4949490, 5185180, 5444439, 5584040, 5885880, 6222216, 6599320, 7259252, 7777770, 8376060, 9074065, 9898980, 10370360, 10888878, 14518504, 15555540, 16752120, 18148130, 19797960, 21777756, 27222195, 31111080, 36296260, 43555512, 54444390, 72592520, 108888780, 217777560]

約数ペア:

[(1, 217777560), (2, 108888780), (3, 72592520), (4, 54444390), (5, 43555512), (6, 36296260), (7, 31111080), (8, 27222195), (10, 21777756), (11, 19797960), (12, 18148130), (13, 16752120), (14, 15555540), (15, 14518504), (20, 10888878), (21, 10370360), (22, 9898980), (24, 9074065), (26, 8376060), (28, 7777770), (30, 7259252), (33, 6599320), (35, 6222216), (37, 5885880), (39, 5584040), (40, 5444439), (42, 5185180), (44, 4949490), (49, 4444440), (52, 4188030), (55, 3959592), (56, 3888885), (60, 3629626), (65, 3350424), (66, 3299660), (70, 3111108), (74, 2942940), (77, 2828280), (78, 2792020), (84, 2592590), (88, 2474745), (91, 2393160), (98, 2222220), (104, 2094015), (105, 2074072), (110, 1979796), (111, 1961960), (120, 1814813), (130, 1675212), (132, 1649830), (140, 1555554), (143, 1522920), (147, 1481480), (148, 1471470), (154, 1414140), (156, 1396010), (165, 1319864), (168, 1296295), (182, 1196580), (185, 1177176), (195, 1116808), (196, 1111110), (210, 1037036), (220, 989898), (222, 980980), (231, 942760), (245, 888888), (259, 840840), (260, 837606), (264, 824915), (273, 797720), (280, 777777), (286, 761460), (294, 740740), (296, 735735), (308, 707070), (312, 698005), (330, 659932), (343, 634920), (364, 598290), (370, 588588), (385, 565656), (390, 558404), (392, 555555), (407, 535080), (420, 518518), (429, 507640), (440, 494949), (444, 490490), (455, 478632), (462, 471380), (481, 452760), (490, 444444), (518, 420420), (520, 418803), (539, 404040), (546, 398860), (555, 392392), (572, 380730), (588, 370370), (616, 353535), (637, 341880), (660, 329966), (686, 317460), (715, 304584), (728, 299145), (735, 296296), (740, 294294), (770, 282828), (777, 280280), (780, 279202), (814, 267540), (840, 259259), (858, 253820), (888, 245245), (910, 239316), (924, 235690), (962, 226380), (980, 222222), (1001, 217560), (1029, 211640), (1036, 210210), (1078, 202020), (1092, 199430), (1110, 196196), (1144, 190365), (1155, 188552), (1176, 185185), (1221, 178360), (1274, 170940), (1295, 168168), (1320, 164983), (1365, 159544), (1372, 158730), (1430, 152292), (1443, 150920), (1470, 148148), (1480, 147147), (1540, 141414), (1554, 140140), (1560, 139601), (1617, 134680), (1628, 133770), (1715, 126984), (1716, 126910), (1813, 120120), (1820, 119658), (1848, 117845), (1911, 113960), (1924, 113190), (1960, 111111), (2002, 108780), (2035, 107016), (2058, 105820), (2072, 105105), (2145, 101528), (2156, 101010), (2184, 99715), (2220, 98098), (2310, 94276), (2405, 90552), (2442, 89180), (2548, 85470), (2590, 84084), (2695, 80808), (2730, 79772), (2744, 79365), (2849, 76440), (2860, 76146), (2886, 75460), (2940, 74074), (3003, 72520), (3080, 70707), (3108, 70070), (3185, 68376), (3234, 67340), (3256, 66885), (3367, 64680), (3430, 63492), (3432, 63455), (3626, 60060), (3640, 59829), (3773, 57720), (3822, 56980), (3848, 56595), (3885, 56056), (4004, 54390), (4070, 53508), (4116, 52910), (4290, 50764), (4312, 50505), (4440, 49049), (4459, 48840), (4620, 47138), (4810, 45276), (4884, 44590), (5005, 43512), (5096, 42735), (5145, 42328), (5180, 42042), (5291, 41160), (5390, 40404), (5439, 40040), (5460, 39886), (5698, 38220), (5720, 38073), (5772, 37730), (5880, 37037), (6006, 36260), (6105, 35672), (6216, 35035), (6370, 34188), (6468, 33670), (6734, 32340), (6860, 31746), (7007, 31080), (7215, 30184), (7252, 30030), (7546, 28860), (7644, 28490), (7770, 28028), (8008, 27195), (8085, 26936), (8140, 26754), (8232, 26455), (8547, 25480), (8580, 25382), (8918, 24420), (9065, 24024), (9240, 23569), (9555, 22792), (9620, 22638), (9768, 22295), (10010, 21756), (10101, 21560), (10290, 21164), (10360, 21021), (10582, 20580), (10780, 20202), (10878, 20020), (10920, 19943), (11319, 19240), (11396, 19110), (11544, 18865), (12012, 18130), (12210, 17836), (12691, 17160), (12740, 17094), (12936, 16835), (13377, 16280), (13468, 16170), (13720, 15873), (14014, 15540), (14245, 15288), (14430, 15092), (14504, 15015)]