65438880

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10487}}^1$

素因数の和:10518

約数の個数: 96

約数和(自身を含む): 222009984

約数和(自身を除く): 156571104

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, 65, 78, 80, 96, 104, 120, 130, 156, 160, 195, 208, 240, 260, 312, 390, 416, 480, 520, 624, 780, 1040, 1248, 1560, 2080, 3120, 6240, 10487, 20974, 31461, 41948, 52435, 62922, 83896, 104870, 125844, 136331, 157305, 167792, 209740, 251688, 272662, 314610, 335584, 408993, 419480, 503376, 545324, 629220, 681655, 817986, 838960, 1006752, 1090648, 1258440, 1363310, 1635972, 1677920, 2044965, 2181296, 2516880, 2726620, 3271944, 4089930, 4362592, 5033760, 5453240, 6543888, 8179860, 10906480, 13087776, 16359720, 21812960, 32719440, 65438880]

約数ペア:

[(1, 65438880), (2, 32719440), (3, 21812960), (4, 16359720), (5, 13087776), (6, 10906480), (8, 8179860), (10, 6543888), (12, 5453240), (13, 5033760), (15, 4362592), (16, 4089930), (20, 3271944), (24, 2726620), (26, 2516880), (30, 2181296), (32, 2044965), (39, 1677920), (40, 1635972), (48, 1363310), (52, 1258440), (60, 1090648), (65, 1006752), (78, 838960), (80, 817986), (96, 681655), (104, 629220), (120, 545324), (130, 503376), (156, 419480), (160, 408993), (195, 335584), (208, 314610), (240, 272662), (260, 251688), (312, 209740), (390, 167792), (416, 157305), (480, 136331), (520, 125844), (624, 104870), (780, 83896), (1040, 62922), (1248, 52435), (1560, 41948), (2080, 31461), (3120, 20974), (6240, 10487)]