61209040

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 80

約数和(自身を含む): 147990528

約数和(自身を除く): 86781488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 73, 80, 94, 146, 188, 223, 235, 292, 365, 376, 446, 470, 584, 730, 752, 892, 940, 1115, 1168, 1460, 1784, 1880, 2230, 2920, 3431, 3568, 3760, 4460, 5840, 6862, 8920, 10481, 13724, 16279, 17155, 17840, 20962, 27448, 32558, 34310, 41924, 52405, 54896, 65116, 68620, 81395, 83848, 104810, 130232, 137240, 162790, 167696, 209620, 260464, 274480, 325580, 419240, 651160, 765113, 838480, 1302320, 1530226, 3060452, 3825565, 6120904, 7651130, 12241808, 15302260, 30604520, 61209040]

約数ペア:

[(1, 61209040), (2, 30604520), (4, 15302260), (5, 12241808), (8, 7651130), (10, 6120904), (16, 3825565), (20, 3060452), (40, 1530226), (47, 1302320), (73, 838480), (80, 765113), (94, 651160), (146, 419240), (188, 325580), (223, 274480), (235, 260464), (292, 209620), (365, 167696), (376, 162790), (446, 137240), (470, 130232), (584, 104810), (730, 83848), (752, 81395), (892, 68620), (940, 65116), (1115, 54896), (1168, 52405), (1460, 41924), (1784, 34310), (1880, 32558), (2230, 27448), (2920, 20962), (3431, 17840), (3568, 17155), (3760, 16279), (4460, 13724), (5840, 10481), (6862, 8920)]