25447140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1297}}^1$

素因数の和:1421

約数の個数: 72

約数和(自身を含む): 77957880

約数和(自身を除く): 52510740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1297, 1308, 1635, 1962, 2180, 2594, 3270, 3891, 3924, 4905, 5188, 6485, 6540, 7782, 9810, 11673, 12970, 15564, 19455, 19620, 23346, 25940, 38910, 46692, 58365, 77820, 116730, 141373, 233460, 282746, 424119, 565492, 706865, 848238, 1272357, 1413730, 1696476, 2120595, 2544714, 2827460, 4241190, 5089428, 6361785, 8482380, 12723570, 25447140]

約数ペア:

[(1, 25447140), (2, 12723570), (3, 8482380), (4, 6361785), (5, 5089428), (6, 4241190), (9, 2827460), (10, 2544714), (12, 2120595), (15, 1696476), (18, 1413730), (20, 1272357), (30, 848238), (36, 706865), (45, 565492), (60, 424119), (90, 282746), (109, 233460), (180, 141373), (218, 116730), (327, 77820), (436, 58365), (545, 46692), (654, 38910), (981, 25940), (1090, 23346), (1297, 19620), (1308, 19455), (1635, 15564), (1962, 12970), (2180, 11673), (2594, 9810), (3270, 7782), (3891, 6540), (3924, 6485), (4905, 5188)]