31791420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 96

約数和(自身を含む): 99973440

約数和(自身を除く): 68182020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 113, 135, 180, 226, 270, 339, 452, 521, 540, 565, 678, 1017, 1042, 1130, 1356, 1563, 1695, 2034, 2084, 2260, 2605, 3051, 3126, 3390, 4068, 4689, 5085, 5210, 6102, 6252, 6780, 7815, 9378, 10170, 10420, 12204, 14067, 15255, 15630, 18756, 20340, 23445, 28134, 30510, 31260, 46890, 56268, 58873, 61020, 70335, 93780, 117746, 140670, 176619, 235492, 281340, 294365, 353238, 529857, 588730, 706476, 883095, 1059714, 1177460, 1589571, 1766190, 2119428, 2649285, 3179142, 3532380, 5298570, 6358284, 7947855, 10597140, 15895710, 31791420]

約数ペア:

[(1, 31791420), (2, 15895710), (3, 10597140), (4, 7947855), (5, 6358284), (6, 5298570), (9, 3532380), (10, 3179142), (12, 2649285), (15, 2119428), (18, 1766190), (20, 1589571), (27, 1177460), (30, 1059714), (36, 883095), (45, 706476), (54, 588730), (60, 529857), (90, 353238), (108, 294365), (113, 281340), (135, 235492), (180, 176619), (226, 140670), (270, 117746), (339, 93780), (452, 70335), (521, 61020), (540, 58873), (565, 56268), (678, 46890), (1017, 31260), (1042, 30510), (1130, 28134), (1356, 23445), (1563, 20340), (1695, 18756), (2034, 15630), (2084, 15255), (2260, 14067), (2605, 12204), (3051, 10420), (3126, 10170), (3390, 9378), (4068, 7815), (4689, 6780), (5085, 6252), (5210, 6102)]