81395856

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{15277}}^1$

素因数の和:15328

約数の個数: 60

約数和(自身を含む): 233967292

約数和(自身を除く): 152571436

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, 15277, 30554, 45831, 61108, 91662, 122216, 137493, 183324, 244432, 274986, 366648, 549972, 565249, 733296, 1099944, 1130498, 1695747, 2199888, 2260996, 3391494, 4521992, 5087241, 6782988, 9043984, 10174482, 13565976, 20348964, 27131952, 40697928, 81395856]

約数ペア:

[(1, 81395856), (2, 40697928), (3, 27131952), (4, 20348964), (6, 13565976), (8, 10174482), (9, 9043984), (12, 6782988), (16, 5087241), (18, 4521992), (24, 3391494), (36, 2260996), (37, 2199888), (48, 1695747), (72, 1130498), (74, 1099944), (111, 733296), (144, 565249), (148, 549972), (222, 366648), (296, 274986), (333, 244432), (444, 183324), (592, 137493), (666, 122216), (888, 91662), (1332, 61108), (1776, 45831), (2664, 30554), (5328, 15277)]