81518910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{1321}}^1$

素因数の和:1370

約数の個数: 96

約数和(自身を含む): 227870496

約数和(自身を除く): 146351586

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 121, 165, 170, 187, 242, 255, 330, 363, 374, 510, 561, 605, 726, 935, 1122, 1210, 1321, 1815, 1870, 2057, 2642, 2805, 3630, 3963, 4114, 5610, 6171, 6605, 7926, 10285, 12342, 13210, 14531, 19815, 20570, 22457, 29062, 30855, 39630, 43593, 44914, 61710, 67371, 72655, 87186, 112285, 134742, 145310, 159841, 217965, 224570, 247027, 319682, 336855, 435930, 479523, 494054, 673710, 741081, 799205, 959046, 1235135, 1482162, 1598410, 2397615, 2470270, 2717297, 3705405, 4795230, 5434594, 7410810, 8151891, 13586485, 16303782, 27172970, 40759455, 81518910]

約数ペア:

[(1, 81518910), (2, 40759455), (3, 27172970), (5, 16303782), (6, 13586485), (10, 8151891), (11, 7410810), (15, 5434594), (17, 4795230), (22, 3705405), (30, 2717297), (33, 2470270), (34, 2397615), (51, 1598410), (55, 1482162), (66, 1235135), (85, 959046), (102, 799205), (110, 741081), (121, 673710), (165, 494054), (170, 479523), (187, 435930), (242, 336855), (255, 319682), (330, 247027), (363, 224570), (374, 217965), (510, 159841), (561, 145310), (605, 134742), (726, 112285), (935, 87186), (1122, 72655), (1210, 67371), (1321, 61710), (1815, 44914), (1870, 43593), (2057, 39630), (2642, 30855), (2805, 29062), (3630, 22457), (3963, 20570), (4114, 19815), (5610, 14531), (6171, 13210), (6605, 12342), (7926, 10285)]