775620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 2446080

約数和(自身を除く): 1670460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 139, 155, 180, 186, 278, 279, 310, 372, 417, 465, 556, 558, 620, 695, 834, 930, 1116, 1251, 1390, 1395, 1668, 1860, 2085, 2502, 2780, 2790, 4170, 4309, 5004, 5580, 6255, 8340, 8618, 12510, 12927, 17236, 21545, 25020, 25854, 38781, 43090, 51708, 64635, 77562, 86180, 129270, 155124, 193905, 258540, 387810, 775620]

約数ペア:

[(1, 775620), (2, 387810), (3, 258540), (4, 193905), (5, 155124), (6, 129270), (9, 86180), (10, 77562), (12, 64635), (15, 51708), (18, 43090), (20, 38781), (30, 25854), (31, 25020), (36, 21545), (45, 17236), (60, 12927), (62, 12510), (90, 8618), (93, 8340), (124, 6255), (139, 5580), (155, 5004), (180, 4309), (186, 4170), (278, 2790), (279, 2780), (310, 2502), (372, 2085), (417, 1860), (465, 1668), (556, 1395), (558, 1390), (620, 1251), (695, 1116), (834, 930)]