31391940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7369}}^1$

素因数の和:7452

約数の個数: 48

約数和(自身を含む): 89147520

約数和(自身を除く): 57755580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7369, 14738, 22107, 29476, 36845, 44214, 73690, 88428, 110535, 147380, 221070, 442140, 523199, 1046398, 1569597, 2092796, 2615995, 3139194, 5231990, 6278388, 7847985, 10463980, 15695970, 31391940]

約数ペア:

[(1, 31391940), (2, 15695970), (3, 10463980), (4, 7847985), (5, 6278388), (6, 5231990), (10, 3139194), (12, 2615995), (15, 2092796), (20, 1569597), (30, 1046398), (60, 523199), (71, 442140), (142, 221070), (213, 147380), (284, 110535), (355, 88428), (426, 73690), (710, 44214), (852, 36845), (1065, 29476), (1420, 22107), (2130, 14738), (4260, 7369)]