30721140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{56891}}^1$

素因数の和:56909

約数の個数: 48

約数和(自身を含む): 95578560

約数和(自身を除く): 64857420

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, 56891, 113782, 170673, 227564, 284455, 341346, 512019, 568910, 682692, 853365, 1024038, 1137820, 1536057, 1706730, 2048076, 2560095, 3072114, 3413460, 5120190, 6144228, 7680285, 10240380, 15360570, 30721140]

約数ペア:

[(1, 30721140), (2, 15360570), (3, 10240380), (4, 7680285), (5, 6144228), (6, 5120190), (9, 3413460), (10, 3072114), (12, 2560095), (15, 2048076), (18, 1706730), (20, 1536057), (27, 1137820), (30, 1024038), (36, 853365), (45, 682692), (54, 568910), (60, 512019), (90, 341346), (108, 284455), (135, 227564), (180, 170673), (270, 113782), (540, 56891)]