1640219220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{1012481}}^1$

素因数の和:1012502

約数の個数: 60

約数和(自身を含む): 5145433524

約数和(自身を除く): 3505214304

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 1012481, 2024962, 3037443, 4049924, 5062405, 6074886, 9112329, 10124810, 12149772, 15187215, 18224658, 20249620, 27336987, 30374430, 36449316, 45561645, 54673974, 60748860, 82010961, 91123290, 109347948, 136684935, 164021922, 182246580, 273369870, 328043844, 410054805, 546739740, 820109610, 1640219220]

約数ペア:

[(1, 1640219220), (2, 820109610), (3, 546739740), (4, 410054805), (5, 328043844), (6, 273369870), (9, 182246580), (10, 164021922), (12, 136684935), (15, 109347948), (18, 91123290), (20, 82010961), (27, 60748860), (30, 54673974), (36, 45561645), (45, 36449316), (54, 30374430), (60, 27336987), (81, 20249620), (90, 18224658), (108, 15187215), (135, 12149772), (162, 10124810), (180, 9112329), (270, 6074886), (324, 5062405), (405, 4049924), (540, 3037443), (810, 2024962), (1620, 1012481)]