645570

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{797}}^1$

素因数の和:816

約数の個数: 40

約数和(自身を含む): 1738044

約数和(自身を除く): 1092474

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 797, 810, 1594, 2391, 3985, 4782, 7173, 7970, 11955, 14346, 21519, 23910, 35865, 43038, 64557, 71730, 107595, 129114, 215190, 322785, 645570]

約数ペア:

[(1, 645570), (2, 322785), (3, 215190), (5, 129114), (6, 107595), (9, 71730), (10, 64557), (15, 43038), (18, 35865), (27, 23910), (30, 21519), (45, 14346), (54, 11955), (81, 7970), (90, 7173), (135, 4782), (162, 3985), (270, 2391), (405, 1594), (797, 810)]