31953480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20483}}^1$

素因数の和:20510

約数の個数: 64

約数和(自身を含む): 103239360

約数和(自身を除く): 71285880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 20483, 40966, 61449, 81932, 102415, 122898, 163864, 204830, 245796, 266279, 307245, 409660, 491592, 532558, 614490, 798837, 819320, 1065116, 1228980, 1331395, 1597674, 2130232, 2457960, 2662790, 3195348, 3994185, 5325580, 6390696, 7988370, 10651160, 15976740, 31953480]

約数ペア:

[(1, 31953480), (2, 15976740), (3, 10651160), (4, 7988370), (5, 6390696), (6, 5325580), (8, 3994185), (10, 3195348), (12, 2662790), (13, 2457960), (15, 2130232), (20, 1597674), (24, 1331395), (26, 1228980), (30, 1065116), (39, 819320), (40, 798837), (52, 614490), (60, 532558), (65, 491592), (78, 409660), (104, 307245), (120, 266279), (130, 245796), (156, 204830), (195, 163864), (260, 122898), (312, 102415), (390, 81932), (520, 61449), (780, 40966), (1560, 20483)]