640803420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{1186673}}^1$

素因数の和:1186691

約数の個数: 48

約数和(自身を含む): 1993612320

約数和(自身を除く): 1352808900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 1186673, 2373346, 3560019, 4746692, 5933365, 7120038, 10680057, 11866730, 14240076, 17800095, 21360114, 23733460, 32040171, 35600190, 42720228, 53400285, 64080342, 71200380, 106800570, 128160684, 160200855, 213601140, 320401710, 640803420]

約数ペア:

[(1, 640803420), (2, 320401710), (3, 213601140), (4, 160200855), (5, 128160684), (6, 106800570), (9, 71200380), (10, 64080342), (12, 53400285), (15, 42720228), (18, 35600190), (20, 32040171), (27, 23733460), (30, 21360114), (36, 17800095), (45, 14240076), (54, 11866730), (60, 10680057), (90, 7120038), (108, 5933365), (135, 4746692), (180, 3560019), (270, 2373346), (540, 1186673)]