30872220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7247}}^1$

素因数の和:7330

約数の個数: 48

約数和(自身を含む): 87671808

約数和(自身を除く): 56799588

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 7247, 14494, 21741, 28988, 36235, 43482, 72470, 86964, 108705, 144940, 217410, 434820, 514537, 1029074, 1543611, 2058148, 2572685, 3087222, 5145370, 6174444, 7718055, 10290740, 15436110, 30872220]

約数ペア:

[(1, 30872220), (2, 15436110), (3, 10290740), (4, 7718055), (5, 6174444), (6, 5145370), (10, 3087222), (12, 2572685), (15, 2058148), (20, 1543611), (30, 1029074), (60, 514537), (71, 434820), (142, 217410), (213, 144940), (284, 108705), (355, 86964), (426, 72470), (710, 43482), (852, 36235), (1065, 28988), (1420, 21741), (2130, 14494), (4260, 7247)]