30215220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71941}}^1$

素因数の和:71960

約数の個数: 48

約数和(自身を含む): 96690048

約数和(自身を除く): 66474828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 71941, 143882, 215823, 287764, 359705, 431646, 503587, 719410, 863292, 1007174, 1079115, 1438820, 1510761, 2014348, 2158230, 2517935, 3021522, 4316460, 5035870, 6043044, 7553805, 10071740, 15107610, 30215220]

約数ペア:

[(1, 30215220), (2, 15107610), (3, 10071740), (4, 7553805), (5, 6043044), (6, 5035870), (7, 4316460), (10, 3021522), (12, 2517935), (14, 2158230), (15, 2014348), (20, 1510761), (21, 1438820), (28, 1079115), (30, 1007174), (35, 863292), (42, 719410), (60, 503587), (70, 431646), (84, 359705), (105, 287764), (140, 215823), (210, 143882), (420, 71941)]