259297020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1499}}^1$

素因数の和:1576

約数の個数: 108

約数和(自身を含む): 813267000

約数和(自身を除く): 553969980

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, 961, 1116, 1395, 1499, 1860, 1922, 2790, 2883, 2998, 3844, 4497, 4805, 5580, 5766, 5996, 7495, 8649, 8994, 9610, 11532, 13491, 14415, 14990, 17298, 17988, 19220, 22485, 26982, 28830, 29980, 34596, 43245, 44970, 46469, 53964, 57660, 67455, 86490, 89940, 92938, 134910, 139407, 172980, 185876, 232345, 269820, 278814, 418221, 464690, 557628, 697035, 836442, 929380, 1394070, 1440539, 1672884, 2091105, 2788140, 2881078, 4182210, 4321617, 5762156, 7202695, 8364420, 8643234, 12964851, 14405390, 17286468, 21608085, 25929702, 28810780, 43216170, 51859404, 64824255, 86432340, 129648510, 259297020]

約数ペア:

[(1, 259297020), (2, 129648510), (3, 86432340), (4, 64824255), (5, 51859404), (6, 43216170), (9, 28810780), (10, 25929702), (12, 21608085), (15, 17286468), (18, 14405390), (20, 12964851), (30, 8643234), (31, 8364420), (36, 7202695), (45, 5762156), (60, 4321617), (62, 4182210), (90, 2881078), (93, 2788140), (124, 2091105), (155, 1672884), (180, 1440539), (186, 1394070), (279, 929380), (310, 836442), (372, 697035), (465, 557628), (558, 464690), (620, 418221), (930, 278814), (961, 269820), (1116, 232345), (1395, 185876), (1499, 172980), (1860, 139407), (1922, 134910), (2790, 92938), (2883, 89940), (2998, 86490), (3844, 67455), (4497, 57660), (4805, 53964), (5580, 46469), (5766, 44970), (5996, 43245), (7495, 34596), (8649, 29980), (8994, 28830), (9610, 26982), (11532, 22485), (13491, 19220), (14415, 17988), (14990, 17298)]