28571940

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{5879}}^1$

素因数の和:5903

約数の個数: 72

約数和(自身を含む): 89893440

約数和(自身を除く): 61321500

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, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 5879, 11758, 17637, 23516, 29395, 35274, 52911, 58790, 70548, 88185, 105822, 117580, 158733, 176370, 211644, 264555, 317466, 352740, 476199, 529110, 634932, 793665, 952398, 1058220, 1428597, 1587330, 1904796, 2380995, 2857194, 3174660, 4761990, 5714388, 7142985, 9523980, 14285970, 28571940]

約数ペア:

[(1, 28571940), (2, 14285970), (3, 9523980), (4, 7142985), (5, 5714388), (6, 4761990), (9, 3174660), (10, 2857194), (12, 2380995), (15, 1904796), (18, 1587330), (20, 1428597), (27, 1058220), (30, 952398), (36, 793665), (45, 634932), (54, 529110), (60, 476199), (81, 352740), (90, 317466), (108, 264555), (135, 211644), (162, 176370), (180, 158733), (243, 117580), (270, 105822), (324, 88185), (405, 70548), (486, 58790), (540, 52911), (810, 35274), (972, 29395), (1215, 23516), (1620, 17637), (2430, 11758), (4860, 5879)]