647242080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2549}}^1$

素因数の和:2613

約数の個数: 144

約数和(自身を含む): 2132146800

約数和(自身を除く): 1484904720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 529, 552, 690, 736, 920, 1058, 1104, 1380, 1587, 1840, 2116, 2208, 2549, 2645, 2760, 3174, 3680, 4232, 5098, 5290, 5520, 6348, 7647, 7935, 8464, 10196, 10580, 11040, 12696, 12745, 15294, 15870, 16928, 20392, 21160, 25392, 25490, 30588, 31740, 38235, 40784, 42320, 50784, 50980, 58627, 61176, 63480, 76470, 81568, 84640, 101960, 117254, 122352, 126960, 152940, 175881, 203920, 234508, 244704, 253920, 293135, 305880, 351762, 407840, 469016, 586270, 611760, 703524, 879405, 938032, 1172540, 1223520, 1348421, 1407048, 1758810, 1876064, 2345080, 2696842, 2814096, 3517620, 4045263, 4690160, 5393684, 5628192, 6742105, 7035240, 8090526, 9380320, 10787368, 13484210, 14070480, 16181052, 20226315, 21574736, 26968420, 28140960, 32362104, 40452630, 43149472, 53936840, 64724208, 80905260, 107873680, 129448416, 161810520, 215747360, 323621040, 647242080]

約数ペア:

[(1, 647242080), (2, 323621040), (3, 215747360), (4, 161810520), (5, 129448416), (6, 107873680), (8, 80905260), (10, 64724208), (12, 53936840), (15, 43149472), (16, 40452630), (20, 32362104), (23, 28140960), (24, 26968420), (30, 21574736), (32, 20226315), (40, 16181052), (46, 14070480), (48, 13484210), (60, 10787368), (69, 9380320), (80, 8090526), (92, 7035240), (96, 6742105), (115, 5628192), (120, 5393684), (138, 4690160), (160, 4045263), (184, 3517620), (230, 2814096), (240, 2696842), (276, 2345080), (345, 1876064), (368, 1758810), (460, 1407048), (480, 1348421), (529, 1223520), (552, 1172540), (690, 938032), (736, 879405), (920, 703524), (1058, 611760), (1104, 586270), (1380, 469016), (1587, 407840), (1840, 351762), (2116, 305880), (2208, 293135), (2549, 253920), (2645, 244704), (2760, 234508), (3174, 203920), (3680, 175881), (4232, 152940), (5098, 126960), (5290, 122352), (5520, 117254), (6348, 101960), (7647, 84640), (7935, 81568), (8464, 76470), (10196, 63480), (10580, 61176), (11040, 58627), (12696, 50980), (12745, 50784), (15294, 42320), (15870, 40784), (16928, 38235), (20392, 31740), (21160, 30588), (25392, 25490)]