261917136

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{773}}^1$

素因数の和:981

約数の個数: 120

約数和(自身を含む): 794777256

約数和(自身を除く): 532860120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 181, 208, 234, 312, 362, 468, 543, 624, 724, 773, 936, 1086, 1448, 1546, 1629, 1872, 2172, 2319, 2353, 2896, 3092, 3258, 4344, 4638, 4706, 6184, 6516, 6957, 7059, 8688, 9276, 9412, 10049, 12368, 13032, 13914, 14118, 18552, 18824, 20098, 21177, 26064, 27828, 28236, 30147, 37104, 37648, 40196, 42354, 55656, 56472, 60294, 80392, 84708, 90441, 111312, 112944, 120588, 139913, 160784, 169416, 180882, 241176, 279826, 338832, 361764, 419739, 482352, 559652, 723528, 839478, 1119304, 1259217, 1447056, 1678956, 1818869, 2238608, 2518434, 3357912, 3637738, 5036868, 5456607, 6715824, 7275476, 10073736, 10913214, 14550952, 16369821, 20147472, 21826428, 29101904, 32739642, 43652856, 65479284, 87305712, 130958568, 261917136]

約数ペア:

[(1, 261917136), (2, 130958568), (3, 87305712), (4, 65479284), (6, 43652856), (8, 32739642), (9, 29101904), (12, 21826428), (13, 20147472), (16, 16369821), (18, 14550952), (24, 10913214), (26, 10073736), (36, 7275476), (39, 6715824), (48, 5456607), (52, 5036868), (72, 3637738), (78, 3357912), (104, 2518434), (117, 2238608), (144, 1818869), (156, 1678956), (181, 1447056), (208, 1259217), (234, 1119304), (312, 839478), (362, 723528), (468, 559652), (543, 482352), (624, 419739), (724, 361764), (773, 338832), (936, 279826), (1086, 241176), (1448, 180882), (1546, 169416), (1629, 160784), (1872, 139913), (2172, 120588), (2319, 112944), (2353, 111312), (2896, 90441), (3092, 84708), (3258, 80392), (4344, 60294), (4638, 56472), (4706, 55656), (6184, 42354), (6516, 40196), (6957, 37648), (7059, 37104), (8688, 30147), (9276, 28236), (9412, 27828), (10049, 26064), (12368, 21177), (13032, 20098), (13914, 18824), (14118, 18552)]