1251979920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1289}}^1$

素因数の和:1398

約数の個数: 240

約数和(自身を含む): 4491676800

約数和(自身を除く): 3239696880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 71, 72, 76, 80, 90, 95, 114, 120, 142, 144, 152, 171, 180, 190, 213, 228, 240, 284, 285, 304, 342, 355, 360, 380, 426, 456, 568, 570, 639, 684, 710, 720, 760, 852, 855, 912, 1065, 1136, 1140, 1278, 1289, 1349, 1368, 1420, 1520, 1704, 1710, 2130, 2280, 2556, 2578, 2698, 2736, 2840, 3195, 3408, 3420, 3867, 4047, 4260, 4560, 5112, 5156, 5396, 5680, 6390, 6445, 6745, 6840, 7734, 8094, 8520, 10224, 10312, 10792, 11601, 12141, 12780, 12890, 13490, 13680, 15468, 16188, 17040, 19335, 20235, 20624, 21584, 23202, 24282, 24491, 25560, 25780, 26980, 30936, 32376, 38670, 40470, 46404, 48564, 48982, 51120, 51560, 53960, 58005, 60705, 61872, 64752, 73473, 77340, 80940, 91519, 92808, 97128, 97964, 103120, 107920, 116010, 121410, 122455, 146946, 154680, 161880, 183038, 185616, 194256, 195928, 220419, 232020, 242820, 244910, 274557, 293892, 309360, 323760, 366076, 367365, 391856, 440838, 457595, 464040, 485640, 489820, 549114, 587784, 732152, 734730, 823671, 881676, 915190, 928080, 971280, 979640, 1098228, 1102095, 1175568, 1372785, 1464304, 1469460, 1647342, 1738861, 1763352, 1830380, 1959280, 2196456, 2204190, 2745570, 2938920, 3294684, 3477722, 3526704, 3660760, 4118355, 4392912, 4408380, 5216583, 5491140, 5877840, 6589368, 6955444, 7321520, 8236710, 8694305, 8816760, 10433166, 10982280, 13178736, 13910888, 15649749, 16473420, 17388610, 17633520, 20866332, 21964560, 26082915, 27821776, 31299498, 32946840, 34777220, 41732664, 52165830, 62598996, 65893680, 69554440, 78248745, 83465328, 104331660, 125197992, 139108880, 156497490, 208663320, 250395984, 312994980, 417326640, 625989960, 1251979920]

約数ペア:

[(1, 1251979920), (2, 625989960), (3, 417326640), (4, 312994980), (5, 250395984), (6, 208663320), (8, 156497490), (9, 139108880), (10, 125197992), (12, 104331660), (15, 83465328), (16, 78248745), (18, 69554440), (19, 65893680), (20, 62598996), (24, 52165830), (30, 41732664), (36, 34777220), (38, 32946840), (40, 31299498), (45, 27821776), (48, 26082915), (57, 21964560), (60, 20866332), (71, 17633520), (72, 17388610), (76, 16473420), (80, 15649749), (90, 13910888), (95, 13178736), (114, 10982280), (120, 10433166), (142, 8816760), (144, 8694305), (152, 8236710), (171, 7321520), (180, 6955444), (190, 6589368), (213, 5877840), (228, 5491140), (240, 5216583), (284, 4408380), (285, 4392912), (304, 4118355), (342, 3660760), (355, 3526704), (360, 3477722), (380, 3294684), (426, 2938920), (456, 2745570), (568, 2204190), (570, 2196456), (639, 1959280), (684, 1830380), (710, 1763352), (720, 1738861), (760, 1647342), (852, 1469460), (855, 1464304), (912, 1372785), (1065, 1175568), (1136, 1102095), (1140, 1098228), (1278, 979640), (1289, 971280), (1349, 928080), (1368, 915190), (1420, 881676), (1520, 823671), (1704, 734730), (1710, 732152), (2130, 587784), (2280, 549114), (2556, 489820), (2578, 485640), (2698, 464040), (2736, 457595), (2840, 440838), (3195, 391856), (3408, 367365), (3420, 366076), (3867, 323760), (4047, 309360), (4260, 293892), (4560, 274557), (5112, 244910), (5156, 242820), (5396, 232020), (5680, 220419), (6390, 195928), (6445, 194256), (6745, 185616), (6840, 183038), (7734, 161880), (8094, 154680), (8520, 146946), (10224, 122455), (10312, 121410), (10792, 116010), (11601, 107920), (12141, 103120), (12780, 97964), (12890, 97128), (13490, 92808), (13680, 91519), (15468, 80940), (16188, 77340), (17040, 73473), (19335, 64752), (20235, 61872), (20624, 60705), (21584, 58005), (23202, 53960), (24282, 51560), (24491, 51120), (25560, 48982), (25780, 48564), (26980, 46404), (30936, 40470), (32376, 38670)]