40388580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1297}}^1$

素因数の和:1485

約数の個数: 72

約数和(自身を含む): 123315192

約数和(自身を除く): 82926612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 173, 180, 346, 519, 692, 865, 1038, 1297, 1557, 1730, 2076, 2594, 2595, 3114, 3460, 3891, 5188, 5190, 6228, 6485, 7782, 7785, 10380, 11673, 12970, 15564, 15570, 19455, 23346, 25940, 31140, 38910, 46692, 58365, 77820, 116730, 224381, 233460, 448762, 673143, 897524, 1121905, 1346286, 2019429, 2243810, 2692572, 3365715, 4038858, 4487620, 6731430, 8077716, 10097145, 13462860, 20194290, 40388580]

約数ペア:

[(1, 40388580), (2, 20194290), (3, 13462860), (4, 10097145), (5, 8077716), (6, 6731430), (9, 4487620), (10, 4038858), (12, 3365715), (15, 2692572), (18, 2243810), (20, 2019429), (30, 1346286), (36, 1121905), (45, 897524), (60, 673143), (90, 448762), (173, 233460), (180, 224381), (346, 116730), (519, 77820), (692, 58365), (865, 46692), (1038, 38910), (1297, 31140), (1557, 25940), (1730, 23346), (2076, 19455), (2594, 15570), (2595, 15564), (3114, 12970), (3460, 11673), (3891, 10380), (5188, 7785), (5190, 7782), (6228, 6485)]