1551240

素因数分解:

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

素因数の和:187

約数の個数: 96

約数和(自身を含む): 5241600

約数和(自身を除く): 3690360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 139, 155, 180, 186, 248, 278, 279, 310, 360, 372, 417, 465, 556, 558, 620, 695, 744, 834, 930, 1112, 1116, 1240, 1251, 1390, 1395, 1668, 1860, 2085, 2232, 2502, 2780, 2790, 3336, 3720, 4170, 4309, 5004, 5560, 5580, 6255, 8340, 8618, 10008, 11160, 12510, 12927, 16680, 17236, 21545, 25020, 25854, 34472, 38781, 43090, 50040, 51708, 64635, 77562, 86180, 103416, 129270, 155124, 172360, 193905, 258540, 310248, 387810, 517080, 775620, 1551240]

約数ペア:

[(1, 1551240), (2, 775620), (3, 517080), (4, 387810), (5, 310248), (6, 258540), (8, 193905), (9, 172360), (10, 155124), (12, 129270), (15, 103416), (18, 86180), (20, 77562), (24, 64635), (30, 51708), (31, 50040), (36, 43090), (40, 38781), (45, 34472), (60, 25854), (62, 25020), (72, 21545), (90, 17236), (93, 16680), (120, 12927), (124, 12510), (139, 11160), (155, 10008), (180, 8618), (186, 8340), (248, 6255), (278, 5580), (279, 5560), (310, 5004), (360, 4309), (372, 4170), (417, 3720), (465, 3336), (556, 2790), (558, 2780), (620, 2502), (695, 2232), (744, 2085), (834, 1860), (930, 1668), (1112, 1395), (1116, 1390), (1240, 1251)]