15711860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 35078400

約数和(自身を除く): 19366540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 173, 190, 239, 346, 380, 478, 692, 865, 956, 1195, 1730, 2390, 3287, 3460, 4541, 4780, 6574, 9082, 13148, 16435, 18164, 22705, 32870, 41347, 45410, 65740, 82694, 90820, 165388, 206735, 413470, 785593, 826940, 1571186, 3142372, 3927965, 7855930, 15711860]

約数ペア:

[(1, 15711860), (2, 7855930), (4, 3927965), (5, 3142372), (10, 1571186), (19, 826940), (20, 785593), (38, 413470), (76, 206735), (95, 165388), (173, 90820), (190, 82694), (239, 65740), (346, 45410), (380, 41347), (478, 32870), (692, 22705), (865, 18164), (956, 16435), (1195, 13148), (1730, 9082), (2390, 6574), (3287, 4780), (3460, 4541)]