156624920

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{2221}}^1$

素因数の和:2316

約数の個数: 64

約数和(自身を含む): 369563040

約数和(自身を除く): 212938120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 2221, 3526, 4442, 7052, 8815, 8884, 11105, 14104, 17630, 17768, 22210, 35260, 44420, 70520, 88840, 91061, 95503, 182122, 191006, 364244, 382012, 455305, 477515, 728488, 764024, 910610, 955030, 1821220, 1910060, 3642440, 3820120, 3915623, 7831246, 15662492, 19578115, 31324984, 39156230, 78312460, 156624920]

約数ペア:

[(1, 156624920), (2, 78312460), (4, 39156230), (5, 31324984), (8, 19578115), (10, 15662492), (20, 7831246), (40, 3915623), (41, 3820120), (43, 3642440), (82, 1910060), (86, 1821220), (164, 955030), (172, 910610), (205, 764024), (215, 728488), (328, 477515), (344, 455305), (410, 382012), (430, 364244), (820, 191006), (860, 182122), (1640, 95503), (1720, 91061), (1763, 88840), (2221, 70520), (3526, 44420), (4442, 35260), (7052, 22210), (8815, 17768), (8884, 17630), (11105, 14104)]