1898341680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1973}}^1$

素因数の和:2219

約数の個数: 160

約数和(自身を含む): 6227101440

約数和(自身を除く): 4328759760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 211, 228, 240, 285, 304, 380, 422, 456, 570, 633, 760, 844, 912, 1055, 1140, 1266, 1520, 1688, 1973, 2110, 2280, 2532, 3165, 3376, 3946, 4009, 4220, 4560, 5064, 5919, 6330, 7892, 8018, 8440, 9865, 10128, 11838, 12027, 12660, 15784, 16036, 16880, 19730, 20045, 23676, 24054, 25320, 29595, 31568, 32072, 37487, 39460, 40090, 47352, 48108, 50640, 59190, 60135, 64144, 74974, 78920, 80180, 94704, 96216, 112461, 118380, 120270, 149948, 157840, 160360, 187435, 192432, 224922, 236760, 240540, 299896, 320720, 374870, 416303, 449844, 473520, 481080, 562305, 599792, 749740, 832606, 899688, 962160, 1124610, 1248909, 1499480, 1665212, 1799376, 2081515, 2249220, 2497818, 2998960, 3330424, 4163030, 4498440, 4995636, 6244545, 6660848, 7909757, 8326060, 8996880, 9991272, 12489090, 15819514, 16652120, 19982544, 23729271, 24978180, 31639028, 33304240, 39548785, 47458542, 49956360, 63278056, 79097570, 94917084, 99912720, 118646355, 126556112, 158195140, 189834168, 237292710, 316390280, 379668336, 474585420, 632780560, 949170840, 1898341680]

約数ペア:

[(1, 1898341680), (2, 949170840), (3, 632780560), (4, 474585420), (5, 379668336), (6, 316390280), (8, 237292710), (10, 189834168), (12, 158195140), (15, 126556112), (16, 118646355), (19, 99912720), (20, 94917084), (24, 79097570), (30, 63278056), (38, 49956360), (40, 47458542), (48, 39548785), (57, 33304240), (60, 31639028), (76, 24978180), (80, 23729271), (95, 19982544), (114, 16652120), (120, 15819514), (152, 12489090), (190, 9991272), (211, 8996880), (228, 8326060), (240, 7909757), (285, 6660848), (304, 6244545), (380, 4995636), (422, 4498440), (456, 4163030), (570, 3330424), (633, 2998960), (760, 2497818), (844, 2249220), (912, 2081515), (1055, 1799376), (1140, 1665212), (1266, 1499480), (1520, 1248909), (1688, 1124610), (1973, 962160), (2110, 899688), (2280, 832606), (2532, 749740), (3165, 599792), (3376, 562305), (3946, 481080), (4009, 473520), (4220, 449844), (4560, 416303), (5064, 374870), (5919, 320720), (6330, 299896), (7892, 240540), (8018, 236760), (8440, 224922), (9865, 192432), (10128, 187435), (11838, 160360), (12027, 157840), (12660, 149948), (15784, 120270), (16036, 118380), (16880, 112461), (19730, 96216), (20045, 94704), (23676, 80180), (24054, 78920), (25320, 74974), (29595, 64144), (31568, 60135), (32072, 59190), (37487, 50640), (39460, 48108), (40090, 47352)]