30788240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54979}}^1$

素因数の和:54999

約数の個数: 40

約数和(自身を含む): 81810240

約数和(自身を除く): 51022000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54979, 109958, 219916, 274895, 384853, 439832, 549790, 769706, 879664, 1099580, 1539412, 1924265, 2199160, 3078824, 3848530, 4398320, 6157648, 7697060, 15394120, 30788240]

約数ペア:

[(1, 30788240), (2, 15394120), (4, 7697060), (5, 6157648), (7, 4398320), (8, 3848530), (10, 3078824), (14, 2199160), (16, 1924265), (20, 1539412), (28, 1099580), (35, 879664), (40, 769706), (56, 549790), (70, 439832), (80, 384853), (112, 274895), (140, 219916), (280, 109958), (560, 54979)]