172947420

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{320273}}^1$

素因数の和:320291

約数の個数: 48

約数和(自身を含む): 538060320

約数和(自身を除く): 365112900

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, 320273, 640546, 960819, 1281092, 1601365, 1921638, 2882457, 3202730, 3843276, 4804095, 5764914, 6405460, 8647371, 9608190, 11529828, 14412285, 17294742, 19216380, 28824570, 34589484, 43236855, 57649140, 86473710, 172947420]

約数ペア:

[(1, 172947420), (2, 86473710), (3, 57649140), (4, 43236855), (5, 34589484), (6, 28824570), (9, 19216380), (10, 17294742), (12, 14412285), (15, 11529828), (18, 9608190), (20, 8647371), (27, 6405460), (30, 5764914), (36, 4804095), (45, 3843276), (54, 3202730), (60, 2882457), (90, 1921638), (108, 1601365), (135, 1281092), (180, 960819), (270, 640546), (540, 320273)]