81369984

素因数分解:

$2^7\times 3^1\times {\mathrm{313}}^1\times {\mathrm{677}}^1$

素因数の和:1007

約数の個数: 64

約数和(自身を含む): 217149840

約数和(自身を除く): 135779856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 313, 384, 626, 677, 939, 1252, 1354, 1878, 2031, 2504, 2708, 3756, 4062, 5008, 5416, 7512, 8124, 10016, 10832, 15024, 16248, 20032, 21664, 30048, 32496, 40064, 43328, 60096, 64992, 86656, 120192, 129984, 211901, 259968, 423802, 635703, 847604, 1271406, 1695208, 2542812, 3390416, 5085624, 6780832, 10171248, 13561664, 20342496, 27123328, 40684992, 81369984]

約数ペア:

[(1, 81369984), (2, 40684992), (3, 27123328), (4, 20342496), (6, 13561664), (8, 10171248), (12, 6780832), (16, 5085624), (24, 3390416), (32, 2542812), (48, 1695208), (64, 1271406), (96, 847604), (128, 635703), (192, 423802), (313, 259968), (384, 211901), (626, 129984), (677, 120192), (939, 86656), (1252, 64992), (1354, 60096), (1878, 43328), (2031, 40064), (2504, 32496), (2708, 30048), (3756, 21664), (4062, 20032), (5008, 16248), (5416, 15024), (7512, 10832), (8124, 10016)]