31665660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{40597}}^1$

素因数の和:40622

約数の個数: 48

約数和(自身を含む): 95486496

約数和(自身を除く): 63820836

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 40597, 81194, 121791, 162388, 202985, 243582, 405970, 487164, 527761, 608955, 811940, 1055522, 1217910, 1583283, 2111044, 2435820, 2638805, 3166566, 5277610, 6333132, 7916415, 10555220, 15832830, 31665660]

約数ペア:

[(1, 31665660), (2, 15832830), (3, 10555220), (4, 7916415), (5, 6333132), (6, 5277610), (10, 3166566), (12, 2638805), (13, 2435820), (15, 2111044), (20, 1583283), (26, 1217910), (30, 1055522), (39, 811940), (52, 608955), (60, 527761), (65, 487164), (78, 405970), (130, 243582), (156, 202985), (195, 162388), (260, 121791), (390, 81194), (780, 40597)]