30978480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9929}}^1$

素因数の和:9958

約数の個数: 80

約数和(自身を含む): 103430880

約数和(自身を除く): 72452400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 9929, 19858, 29787, 39716, 49645, 59574, 79432, 99290, 119148, 129077, 148935, 158864, 198580, 238296, 258154, 297870, 387231, 397160, 476592, 516308, 595740, 645385, 774462, 794320, 1032616, 1191480, 1290770, 1548924, 1936155, 2065232, 2382960, 2581540, 3097848, 3872310, 5163080, 6195696, 7744620, 10326160, 15489240, 30978480]

約数ペア:

[(1, 30978480), (2, 15489240), (3, 10326160), (4, 7744620), (5, 6195696), (6, 5163080), (8, 3872310), (10, 3097848), (12, 2581540), (13, 2382960), (15, 2065232), (16, 1936155), (20, 1548924), (24, 1290770), (26, 1191480), (30, 1032616), (39, 794320), (40, 774462), (48, 645385), (52, 595740), (60, 516308), (65, 476592), (78, 397160), (80, 387231), (104, 297870), (120, 258154), (130, 238296), (156, 198580), (195, 158864), (208, 148935), (240, 129077), (260, 119148), (312, 99290), (390, 79432), (520, 59574), (624, 49645), (780, 39716), (1040, 29787), (1560, 19858), (3120, 9929)]