81321264

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15263}}^1$

素因数の和:15314

約数の個数: 60

約数和(自身を含む): 233752896

約数和(自身を除く): 152431632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 72, 74, 111, 144, 148, 222, 296, 333, 444, 592, 666, 888, 1332, 1776, 2664, 5328, 15263, 30526, 45789, 61052, 91578, 122104, 137367, 183156, 244208, 274734, 366312, 549468, 564731, 732624, 1098936, 1129462, 1694193, 2197872, 2258924, 3388386, 4517848, 5082579, 6776772, 9035696, 10165158, 13553544, 20330316, 27107088, 40660632, 81321264]

約数ペア:

[(1, 81321264), (2, 40660632), (3, 27107088), (4, 20330316), (6, 13553544), (8, 10165158), (9, 9035696), (12, 6776772), (16, 5082579), (18, 4517848), (24, 3388386), (36, 2258924), (37, 2197872), (48, 1694193), (72, 1129462), (74, 1098936), (111, 732624), (144, 564731), (148, 549468), (222, 366312), (296, 274734), (333, 244208), (444, 183156), (592, 137367), (666, 122104), (888, 91578), (1332, 61052), (1776, 45789), (2664, 30526), (5328, 15263)]