1931791040

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{1009}}^1$

素因数の和:1250

約数の個数: 112

約数和(自身を含む): 4777800960

約数和(自身を除く): 2846009920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 193, 248, 310, 320, 386, 496, 620, 772, 965, 992, 1009, 1240, 1544, 1930, 1984, 2018, 2480, 3088, 3860, 4036, 4960, 5045, 5983, 6176, 7720, 8072, 9920, 10090, 11966, 12352, 15440, 16144, 20180, 23932, 29915, 30880, 31279, 32288, 40360, 47864, 59830, 61760, 62558, 64576, 80720, 95728, 119660, 125116, 156395, 161440, 191456, 194737, 239320, 250232, 312790, 322880, 382912, 389474, 478640, 500464, 625580, 778948, 957280, 973685, 1000928, 1251160, 1557896, 1914560, 1947370, 2001856, 2502320, 3115792, 3894740, 5004640, 6036847, 6231584, 7789480, 10009280, 12073694, 12463168, 15578960, 24147388, 30184235, 31157920, 48294776, 60368470, 62315840, 96589552, 120736940, 193179104, 241473880, 386358208, 482947760, 965895520, 1931791040]

約数ペア:

[(1, 1931791040), (2, 965895520), (4, 482947760), (5, 386358208), (8, 241473880), (10, 193179104), (16, 120736940), (20, 96589552), (31, 62315840), (32, 60368470), (40, 48294776), (62, 31157920), (64, 30184235), (80, 24147388), (124, 15578960), (155, 12463168), (160, 12073694), (193, 10009280), (248, 7789480), (310, 6231584), (320, 6036847), (386, 5004640), (496, 3894740), (620, 3115792), (772, 2502320), (965, 2001856), (992, 1947370), (1009, 1914560), (1240, 1557896), (1544, 1251160), (1930, 1000928), (1984, 973685), (2018, 957280), (2480, 778948), (3088, 625580), (3860, 500464), (4036, 478640), (4960, 389474), (5045, 382912), (5983, 322880), (6176, 312790), (7720, 250232), (8072, 239320), (9920, 194737), (10090, 191456), (11966, 161440), (12352, 156395), (15440, 125116), (16144, 119660), (20180, 95728), (23932, 80720), (29915, 64576), (30880, 62558), (31279, 61760), (32288, 59830), (40360, 47864)]