221752260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{8863}}^1$

素因数の和:9017

約数の個数: 72

約数和(自身を含む): 677564160

約数和(自身を除く): 455811900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 4170, 5004, 6255, 8340, 8863, 12510, 17726, 25020, 26589, 35452, 44315, 53178, 79767, 88630, 106356, 132945, 159534, 177260, 265890, 319068, 398835, 531780, 797670, 1231957, 1595340, 2463914, 3695871, 4927828, 6159785, 7391742, 11087613, 12319570, 14783484, 18479355, 22175226, 24639140, 36958710, 44350452, 55438065, 73917420, 110876130, 221752260]

約数ペア:

[(1, 221752260), (2, 110876130), (3, 73917420), (4, 55438065), (5, 44350452), (6, 36958710), (9, 24639140), (10, 22175226), (12, 18479355), (15, 14783484), (18, 12319570), (20, 11087613), (30, 7391742), (36, 6159785), (45, 4927828), (60, 3695871), (90, 2463914), (139, 1595340), (180, 1231957), (278, 797670), (417, 531780), (556, 398835), (695, 319068), (834, 265890), (1251, 177260), (1390, 159534), (1668, 132945), (2085, 106356), (2502, 88630), (2780, 79767), (4170, 53178), (5004, 44315), (6255, 35452), (8340, 26589), (8863, 25020), (12510, 17726)]