81271584

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9103}}^1$

素因数の和:9150

約数の個数: 72

約数和(自身を含む): 238597632

約数和(自身を除く): 157326048

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 9103, 18206, 27309, 36412, 54618, 72824, 81927, 109236, 145648, 163854, 218472, 282193, 291296, 327708, 436944, 564386, 655416, 846579, 873888, 1128772, 1310832, 1693158, 2257544, 2539737, 2621664, 3386316, 4515088, 5079474, 6772632, 9030176, 10158948, 13545264, 20317896, 27090528, 40635792, 81271584]

約数ペア:

[(1, 81271584), (2, 40635792), (3, 27090528), (4, 20317896), (6, 13545264), (8, 10158948), (9, 9030176), (12, 6772632), (16, 5079474), (18, 4515088), (24, 3386316), (31, 2621664), (32, 2539737), (36, 2257544), (48, 1693158), (62, 1310832), (72, 1128772), (93, 873888), (96, 846579), (124, 655416), (144, 564386), (186, 436944), (248, 327708), (279, 291296), (288, 282193), (372, 218472), (496, 163854), (558, 145648), (744, 109236), (992, 81927), (1116, 72824), (1488, 54618), (2232, 36412), (2976, 27309), (4464, 18206), (8928, 9103)]