171878460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220357}}^1$

素因数の和:220382

約数の個数: 48

約数和(自身を含む): 518282016

約数和(自身を除く): 346403556

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, 220357, 440714, 661071, 881428, 1101785, 1322142, 2203570, 2644284, 2864641, 3305355, 4407140, 5729282, 6610710, 8593923, 11458564, 13221420, 14323205, 17187846, 28646410, 34375692, 42969615, 57292820, 85939230, 171878460]

約数ペア:

[(1, 171878460), (2, 85939230), (3, 57292820), (4, 42969615), (5, 34375692), (6, 28646410), (10, 17187846), (12, 14323205), (13, 13221420), (15, 11458564), (20, 8593923), (26, 6610710), (30, 5729282), (39, 4407140), (52, 3305355), (60, 2864641), (65, 2644284), (78, 2203570), (130, 1322142), (156, 1101785), (195, 881428), (260, 661071), (390, 440714), (780, 220357)]