215622360

素因数分解:

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

素因数の和:326

約数の個数: 144

約数和(自身を含む): 728619840

約数和(自身を除く): 512997480

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, 19321, 21545, 25020, 25854, 34472, 38642, 38781, 43090, 50040, 51708, 57963, 64635, 77284, 77562, 86180, 96605, 103416, 115926, 129270, 154568, 155124, 172360, 173889, 193210, 193905, 231852, 258540, 289815, 310248, 347778, 386420, 387810, 463704, 517080, 579630, 598951, 695556, 772840, 775620, 869445, 1159260, 1197902, 1391112, 1551240, 1738890, 1796853, 2318520, 2395804, 2994755, 3477780, 3593706, 4791608, 5390559, 5989510, 6955560, 7187412, 8984265, 10781118, 11979020, 14374824, 17968530, 21562236, 23958040, 26952795, 35937060, 43124472, 53905590, 71874120, 107811180, 215622360]

約数ペア:

[(1, 215622360), (2, 107811180), (3, 71874120), (4, 53905590), (5, 43124472), (6, 35937060), (8, 26952795), (9, 23958040), (10, 21562236), (12, 17968530), (15, 14374824), (18, 11979020), (20, 10781118), (24, 8984265), (30, 7187412), (31, 6955560), (36, 5989510), (40, 5390559), (45, 4791608), (60, 3593706), (62, 3477780), (72, 2994755), (90, 2395804), (93, 2318520), (120, 1796853), (124, 1738890), (139, 1551240), (155, 1391112), (180, 1197902), (186, 1159260), (248, 869445), (278, 775620), (279, 772840), (310, 695556), (360, 598951), (372, 579630), (417, 517080), (465, 463704), (556, 387810), (558, 386420), (620, 347778), (695, 310248), (744, 289815), (834, 258540), (930, 231852), (1112, 193905), (1116, 193210), (1240, 173889), (1251, 172360), (1390, 155124), (1395, 154568), (1668, 129270), (1860, 115926), (2085, 103416), (2232, 96605), (2502, 86180), (2780, 77562), (2790, 77284), (3336, 64635), (3720, 57963), (4170, 51708), (4309, 50040), (5004, 43090), (5560, 38781), (5580, 38642), (6255, 34472), (8340, 25854), (8618, 25020), (10008, 21545), (11160, 19321), (12510, 17236), (12927, 16680)]