156966680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{3821}}^1$

素因数の和:3924

約数の個数: 64

約数和(自身を含む): 385257600

約数和(自身を除く): 228290920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 79, 104, 130, 158, 260, 316, 395, 520, 632, 790, 1027, 1580, 2054, 3160, 3821, 4108, 5135, 7642, 8216, 10270, 15284, 19105, 20540, 30568, 38210, 41080, 49673, 76420, 99346, 152840, 198692, 248365, 301859, 397384, 496730, 603718, 993460, 1207436, 1509295, 1986920, 2414872, 3018590, 3924167, 6037180, 7848334, 12074360, 15696668, 19620835, 31393336, 39241670, 78483340, 156966680]

約数ペア:

[(1, 156966680), (2, 78483340), (4, 39241670), (5, 31393336), (8, 19620835), (10, 15696668), (13, 12074360), (20, 7848334), (26, 6037180), (40, 3924167), (52, 3018590), (65, 2414872), (79, 1986920), (104, 1509295), (130, 1207436), (158, 993460), (260, 603718), (316, 496730), (395, 397384), (520, 301859), (632, 248365), (790, 198692), (1027, 152840), (1580, 99346), (2054, 76420), (3160, 49673), (3821, 41080), (4108, 38210), (5135, 30568), (7642, 20540), (8216, 19105), (10270, 15284)]