1308560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1487}}^1$

素因数の和:1511

約数の個数: 40

約数和(自身を含む): 3321216

約数和(自身を除く): 2012656

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1487, 2974, 5948, 7435, 11896, 14870, 16357, 23792, 29740, 32714, 59480, 65428, 81785, 118960, 130856, 163570, 261712, 327140, 654280, 1308560]

約数ペア:

[(1, 1308560), (2, 654280), (4, 327140), (5, 261712), (8, 163570), (10, 130856), (11, 118960), (16, 81785), (20, 65428), (22, 59480), (40, 32714), (44, 29740), (55, 23792), (80, 16357), (88, 14870), (110, 11896), (176, 7435), (220, 5948), (440, 2974), (880, 1487)]