66787020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11969}}^1$

素因数の和:12015

約数の個数: 72

約数和(自身を含む): 209139840

約数和(自身を除く): 142352820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 11969, 23938, 35907, 47876, 59845, 71814, 107721, 119690, 143628, 179535, 215442, 239380, 359070, 371039, 430884, 538605, 718140, 742078, 1077210, 1113117, 1484156, 1855195, 2154420, 2226234, 3339351, 3710390, 4452468, 5565585, 6678702, 7420780, 11131170, 13357404, 16696755, 22262340, 33393510, 66787020]

約数ペア:

[(1, 66787020), (2, 33393510), (3, 22262340), (4, 16696755), (5, 13357404), (6, 11131170), (9, 7420780), (10, 6678702), (12, 5565585), (15, 4452468), (18, 3710390), (20, 3339351), (30, 2226234), (31, 2154420), (36, 1855195), (45, 1484156), (60, 1113117), (62, 1077210), (90, 742078), (93, 718140), (124, 538605), (155, 430884), (180, 371039), (186, 359070), (279, 239380), (310, 215442), (372, 179535), (465, 143628), (558, 119690), (620, 107721), (930, 71814), (1116, 59845), (1395, 47876), (1860, 35907), (2790, 23938), (5580, 11969)]