18686029440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{748639}}^1$

素因数の和:748674

約数の個数: 128

約数和(自身を含む): 64143475200

約数和(自身を除く): 45457445760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 748639, 1497278, 2245917, 2994556, 3743195, 4491834, 5989112, 7486390, 8983668, 9732307, 11229585, 11978224, 14972780, 17967336, 19464614, 22459170, 23956448, 29196921, 29945560, 35934672, 38929228, 44918340, 47912896, 48661535, 58393842, 59891120, 71869344, 77858456, 89836680, 95825792, 97323070, 116787684, 119782240, 143738688, 145984605, 155716912, 179673360, 194646140, 233575368, 239564480, 287477376, 291969210, 311433824, 359346720, 389292280, 467150736, 479128960, 583938420, 622867648, 718693440, 778584560, 934301472, 1167876840, 1245735296, 1437386880, 1557169120, 1868602944, 2335753680, 3114338240, 3737205888, 4671507360, 6228676480, 9343014720, 18686029440]

約数ペア:

[(1, 18686029440), (2, 9343014720), (3, 6228676480), (4, 4671507360), (5, 3737205888), (6, 3114338240), (8, 2335753680), (10, 1868602944), (12, 1557169120), (13, 1437386880), (15, 1245735296), (16, 1167876840), (20, 934301472), (24, 778584560), (26, 718693440), (30, 622867648), (32, 583938420), (39, 479128960), (40, 467150736), (48, 389292280), (52, 359346720), (60, 311433824), (64, 291969210), (65, 287477376), (78, 239564480), (80, 233575368), (96, 194646140), (104, 179673360), (120, 155716912), (128, 145984605), (130, 143738688), (156, 119782240), (160, 116787684), (192, 97323070), (195, 95825792), (208, 89836680), (240, 77858456), (260, 71869344), (312, 59891120), (320, 58393842), (384, 48661535), (390, 47912896), (416, 44918340), (480, 38929228), (520, 35934672), (624, 29945560), (640, 29196921), (780, 23956448), (832, 22459170), (960, 19464614), (1040, 17967336), (1248, 14972780), (1560, 11978224), (1664, 11229585), (1920, 9732307), (2080, 8983668), (2496, 7486390), (3120, 5989112), (4160, 4491834), (4992, 3743195), (6240, 2994556), (8320, 2245917), (12480, 1497278), (24960, 748639)]