20420400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 480

約数和(自身を含む): 92994048

約数和(自身を除く): 72573648

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17, 20, 21, 22, 24, 25, 26, 28, 30, 33, 34, 35, 39, 40, 42, 44, 48, 50, 51, 52, 55, 56, 60, 65, 66, 68, 70, 75, 77, 78, 80, 84, 85, 88, 91, 100, 102, 104, 105, 110, 112, 119, 120, 130, 132, 136, 140, 143, 150, 154, 156, 165, 168, 170, 175, 176, 182, 187, 195, 200, 204, 208, 210, 220, 221, 231, 238, 240, 255, 260, 264, 272, 273, 275, 280, 286, 300, 308, 312, 325, 330, 336, 340, 350, 357, 364, 374, 385, 390, 400, 408, 420, 425, 429, 440, 442, 455, 462, 476, 510, 520, 525, 528, 546, 550, 560, 561, 572, 595, 600, 616, 624, 650, 660, 663, 680, 700, 714, 715, 728, 748, 770, 780, 816, 825, 840, 850, 858, 880, 884, 910, 924, 935, 952, 975, 1001, 1020, 1040, 1050, 1092, 1100, 1105, 1122, 1144, 1155, 1190, 1200, 1232, 1275, 1300, 1309, 1320, 1326, 1360, 1365, 1400, 1428, 1430, 1456, 1496, 1540, 1547, 1560, 1650, 1680, 1700, 1716, 1768, 1785, 1820, 1848, 1870, 1904, 1925, 1950, 2002, 2040, 2100, 2145, 2184, 2200, 2210, 2244, 2275, 2288, 2310, 2380, 2431, 2550, 2600, 2618, 2640, 2652, 2730, 2800, 2805, 2856, 2860, 2975, 2992, 3003, 3080, 3094, 3120, 3300, 3315, 3400, 3432, 3536, 3570, 3575, 3640, 3696, 3740, 3850, 3900, 3927, 4004, 4080, 4200, 4290, 4368, 4400, 4420, 4488, 4550, 4620, 4641, 4675, 4760, 4862, 5005, 5100, 5200, 5236, 5304, 5460, 5525, 5610, 5712, 5720, 5775, 5950, 6006, 6160, 6188, 6545, 6600, 6630, 6800, 6825, 6864, 7140, 7150, 7280, 7293, 7480, 7700, 7735, 7800, 7854, 8008, 8400, 8580, 8840, 8925, 8976, 9100, 9240, 9282, 9350, 9520, 9724, 10010, 10200, 10472, 10608, 10725, 10920, 11050, 11220, 11440, 11550, 11900, 12012, 12155, 12376, 13090, 13200, 13260, 13650, 14025, 14280, 14300, 14586, 14960, 15015, 15400, 15470, 15600, 15708, 16016, 16575, 17017, 17160, 17680, 17850, 18200, 18480, 18564, 18700, 19448, 19635, 20020, 20400, 20944, 21450, 21840, 22100, 22440, 23100, 23205, 23800, 24024, 24310, 24752, 25025, 26180, 26520, 27300, 28050, 28560, 28600, 29172, 30030, 30800, 30940, 31416, 32725, 33150, 34034, 34320, 35700, 36400, 36465, 37128, 37400, 38675, 38896, 39270, 40040, 42900, 44200, 44880, 46200, 46410, 47600, 48048, 48620, 50050, 51051, 52360, 53040, 54600, 56100, 57200, 58344, 60060, 60775, 61880, 62832, 65450, 66300, 68068, 71400, 72930, 74256, 74800, 75075, 77350, 78540, 80080, 85085, 85800, 88400, 92400, 92820, 97240, 98175, 100100, 102102, 104720, 109200, 112200, 116025, 116688, 120120, 121550, 123760, 130900, 132600, 136136, 142800, 145860, 150150, 154700, 157080, 170170, 171600, 182325, 185640, 194480, 196350, 200200, 204204, 224400, 232050, 240240, 243100, 255255, 261800, 265200, 272272, 291720, 300300, 309400, 314160, 340340, 364650, 371280, 392700, 400400, 408408, 425425, 464100, 486200, 510510, 523600, 583440, 600600, 618800, 680680, 729300, 785400, 816816, 850850, 928200, 972400, 1021020, 1201200, 1276275, 1361360, 1458600, 1570800, 1701700, 1856400, 2042040, 2552550, 2917200, 3403400, 4084080, 5105100, 6806800, 10210200, 20420400]

約数ペア:

[(1, 20420400), (2, 10210200), (3, 6806800), (4, 5105100), (5, 4084080), (6, 3403400), (7, 2917200), (8, 2552550), (10, 2042040), (11, 1856400), (12, 1701700), (13, 1570800), (14, 1458600), (15, 1361360), (16, 1276275), (17, 1201200), (20, 1021020), (21, 972400), (22, 928200), (24, 850850), (25, 816816), (26, 785400), (28, 729300), (30, 680680), (33, 618800), (34, 600600), (35, 583440), (39, 523600), (40, 510510), (42, 486200), (44, 464100), (48, 425425), (50, 408408), (51, 400400), (52, 392700), (55, 371280), (56, 364650), (60, 340340), (65, 314160), (66, 309400), (68, 300300), (70, 291720), (75, 272272), (77, 265200), (78, 261800), (80, 255255), (84, 243100), (85, 240240), (88, 232050), (91, 224400), (100, 204204), (102, 200200), (104, 196350), (105, 194480), (110, 185640), (112, 182325), (119, 171600), (120, 170170), (130, 157080), (132, 154700), (136, 150150), (140, 145860), (143, 142800), (150, 136136), (154, 132600), (156, 130900), (165, 123760), (168, 121550), (170, 120120), (175, 116688), (176, 116025), (182, 112200), (187, 109200), (195, 104720), (200, 102102), (204, 100100), (208, 98175), (210, 97240), (220, 92820), (221, 92400), (231, 88400), (238, 85800), (240, 85085), (255, 80080), (260, 78540), (264, 77350), (272, 75075), (273, 74800), (275, 74256), (280, 72930), (286, 71400), (300, 68068), (308, 66300), (312, 65450), (325, 62832), (330, 61880), (336, 60775), (340, 60060), (350, 58344), (357, 57200), (364, 56100), (374, 54600), (385, 53040), (390, 52360), (400, 51051), (408, 50050), (420, 48620), (425, 48048), (429, 47600), (440, 46410), (442, 46200), (455, 44880), (462, 44200), (476, 42900), (510, 40040), (520, 39270), (525, 38896), (528, 38675), (546, 37400), (550, 37128), (560, 36465), (561, 36400), (572, 35700), (595, 34320), (600, 34034), (616, 33150), (624, 32725), (650, 31416), (660, 30940), (663, 30800), (680, 30030), (700, 29172), (714, 28600), (715, 28560), (728, 28050), (748, 27300), (770, 26520), (780, 26180), (816, 25025), (825, 24752), (840, 24310), (850, 24024), (858, 23800), (880, 23205), (884, 23100), (910, 22440), (924, 22100), (935, 21840), (952, 21450), (975, 20944), (1001, 20400), (1020, 20020), (1040, 19635), (1050, 19448), (1092, 18700), (1100, 18564), (1105, 18480), (1122, 18200), (1144, 17850), (1155, 17680), (1190, 17160), (1200, 17017), (1232, 16575), (1275, 16016), (1300, 15708), (1309, 15600), (1320, 15470), (1326, 15400), (1360, 15015), (1365, 14960), (1400, 14586), (1428, 14300), (1430, 14280), (1456, 14025), (1496, 13650), (1540, 13260), (1547, 13200), (1560, 13090), (1650, 12376), (1680, 12155), (1700, 12012), (1716, 11900), (1768, 11550), (1785, 11440), (1820, 11220), (1848, 11050), (1870, 10920), (1904, 10725), (1925, 10608), (1950, 10472), (2002, 10200), (2040, 10010), (2100, 9724), (2145, 9520), (2184, 9350), (2200, 9282), (2210, 9240), (2244, 9100), (2275, 8976), (2288, 8925), (2310, 8840), (2380, 8580), (2431, 8400), (2550, 8008), (2600, 7854), (2618, 7800), (2640, 7735), (2652, 7700), (2730, 7480), (2800, 7293), (2805, 7280), (2856, 7150), (2860, 7140), (2975, 6864), (2992, 6825), (3003, 6800), (3080, 6630), (3094, 6600), (3120, 6545), (3300, 6188), (3315, 6160), (3400, 6006), (3432, 5950), (3536, 5775), (3570, 5720), (3575, 5712), (3640, 5610), (3696, 5525), (3740, 5460), (3850, 5304), (3900, 5236), (3927, 5200), (4004, 5100), (4080, 5005), (4200, 4862), (4290, 4760), (4368, 4675), (4400, 4641), (4420, 4620), (4488, 4550)]