2688390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{3319}}^1$

素因数の和:3338

約数の個数: 40

約数和(自身を含む): 7230960

約数和(自身を除く): 4542570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 3319, 6638, 9957, 16595, 19914, 29871, 33190, 49785, 59742, 89613, 99570, 149355, 179226, 268839, 298710, 448065, 537678, 896130, 1344195, 2688390]

約数ペア:

[(1, 2688390), (2, 1344195), (3, 896130), (5, 537678), (6, 448065), (9, 298710), (10, 268839), (15, 179226), (18, 149355), (27, 99570), (30, 89613), (45, 59742), (54, 49785), (81, 33190), (90, 29871), (135, 19914), (162, 16595), (270, 9957), (405, 6638), (810, 3319)]