131312220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2131}}^1$

素因数の和:2235

約数の個数: 96

約数和(自身を含む): 401157120

約数和(自身を除く): 269844900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 79, 130, 156, 158, 195, 237, 260, 316, 390, 395, 474, 780, 790, 948, 1027, 1185, 1580, 2054, 2131, 2370, 3081, 4108, 4262, 4740, 5135, 6162, 6393, 8524, 10270, 10655, 12324, 12786, 15405, 20540, 21310, 25572, 27703, 30810, 31965, 42620, 55406, 61620, 63930, 83109, 110812, 127860, 138515, 166218, 168349, 277030, 332436, 336698, 415545, 505047, 554060, 673396, 831090, 841745, 1010094, 1662180, 1683490, 2020188, 2188537, 2525235, 3366980, 4377074, 5050470, 6565611, 8754148, 10100940, 10942685, 13131222, 21885370, 26262444, 32828055, 43770740, 65656110, 131312220]

約数ペア:

[(1, 131312220), (2, 65656110), (3, 43770740), (4, 32828055), (5, 26262444), (6, 21885370), (10, 13131222), (12, 10942685), (13, 10100940), (15, 8754148), (20, 6565611), (26, 5050470), (30, 4377074), (39, 3366980), (52, 2525235), (60, 2188537), (65, 2020188), (78, 1683490), (79, 1662180), (130, 1010094), (156, 841745), (158, 831090), (195, 673396), (237, 554060), (260, 505047), (316, 415545), (390, 336698), (395, 332436), (474, 277030), (780, 168349), (790, 166218), (948, 138515), (1027, 127860), (1185, 110812), (1580, 83109), (2054, 63930), (2131, 61620), (2370, 55406), (3081, 42620), (4108, 31965), (4262, 30810), (4740, 27703), (5135, 25572), (6162, 21310), (6393, 20540), (8524, 15405), (10270, 12786), (10655, 12324)]