30604520

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 71608320

約数和(自身を除く): 41003800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 223, 235, 292, 365, 376, 446, 470, 584, 730, 892, 940, 1115, 1460, 1784, 1880, 2230, 2920, 3431, 4460, 6862, 8920, 10481, 13724, 16279, 17155, 20962, 27448, 32558, 34310, 41924, 52405, 65116, 68620, 81395, 83848, 104810, 130232, 137240, 162790, 209620, 325580, 419240, 651160, 765113, 1530226, 3060452, 3825565, 6120904, 7651130, 15302260, 30604520]

約数ペア:

[(1, 30604520), (2, 15302260), (4, 7651130), (5, 6120904), (8, 3825565), (10, 3060452), (20, 1530226), (40, 765113), (47, 651160), (73, 419240), (94, 325580), (146, 209620), (188, 162790), (223, 137240), (235, 130232), (292, 104810), (365, 83848), (376, 81395), (446, 68620), (470, 65116), (584, 52405), (730, 41924), (892, 34310), (940, 32558), (1115, 27448), (1460, 20962), (1784, 17155), (1880, 16279), (2230, 13724), (2920, 10481), (3431, 8920), (4460, 6862)]