31525260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3109}}^1$

素因数の和:3147

約数の個数: 72

約数和(自身を含む): 95613840

約数和(自身を除く): 64088580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 169, 195, 260, 338, 390, 507, 676, 780, 845, 1014, 1690, 2028, 2535, 3109, 3380, 5070, 6218, 9327, 10140, 12436, 15545, 18654, 31090, 37308, 40417, 46635, 62180, 80834, 93270, 121251, 161668, 186540, 202085, 242502, 404170, 485004, 525421, 606255, 808340, 1050842, 1212510, 1576263, 2101684, 2425020, 2627105, 3152526, 5254210, 6305052, 7881315, 10508420, 15762630, 31525260]

約数ペア:

[(1, 31525260), (2, 15762630), (3, 10508420), (4, 7881315), (5, 6305052), (6, 5254210), (10, 3152526), (12, 2627105), (13, 2425020), (15, 2101684), (20, 1576263), (26, 1212510), (30, 1050842), (39, 808340), (52, 606255), (60, 525421), (65, 485004), (78, 404170), (130, 242502), (156, 202085), (169, 186540), (195, 161668), (260, 121251), (338, 93270), (390, 80834), (507, 62180), (676, 46635), (780, 40417), (845, 37308), (1014, 31090), (1690, 18654), (2028, 15545), (2535, 12436), (3109, 10140), (3380, 9327), (5070, 6218)]