15976740

素因数分解:

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

素因数の和:20508

約数の個数: 48

約数和(自身を含む): 48178368

約数和(自身を除く): 32201628

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, 20483, 40966, 61449, 81932, 102415, 122898, 204830, 245796, 266279, 307245, 409660, 532558, 614490, 798837, 1065116, 1228980, 1331395, 1597674, 2662790, 3195348, 3994185, 5325580, 7988370, 15976740]

約数ペア:

[(1, 15976740), (2, 7988370), (3, 5325580), (4, 3994185), (5, 3195348), (6, 2662790), (10, 1597674), (12, 1331395), (13, 1228980), (15, 1065116), (20, 798837), (26, 614490), (30, 532558), (39, 409660), (52, 307245), (60, 266279), (65, 245796), (78, 204830), (130, 122898), (156, 102415), (195, 81932), (260, 61449), (390, 40966), (780, 20483)]