1268334520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{479}}^1\times {\mathrm{1249}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 2916000000

約数和(自身を除く): 1647665480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 479, 530, 958, 1060, 1249, 1916, 2120, 2395, 2498, 3832, 4790, 4996, 6245, 9580, 9992, 12490, 19160, 24980, 25387, 49960, 50774, 66197, 101548, 126935, 132394, 203096, 253870, 264788, 330985, 507740, 529576, 598271, 661970, 1015480, 1196542, 1323940, 2393084, 2647880, 2991355, 4786168, 5982710, 11965420, 23930840, 31708363, 63416726, 126833452, 158541815, 253666904, 317083630, 634167260, 1268334520]

約数ペア:

[(1, 1268334520), (2, 634167260), (4, 317083630), (5, 253666904), (8, 158541815), (10, 126833452), (20, 63416726), (40, 31708363), (53, 23930840), (106, 11965420), (212, 5982710), (265, 4786168), (424, 2991355), (479, 2647880), (530, 2393084), (958, 1323940), (1060, 1196542), (1249, 1015480), (1916, 661970), (2120, 598271), (2395, 529576), (2498, 507740), (3832, 330985), (4790, 264788), (4996, 253870), (6245, 203096), (9580, 132394), (9992, 126935), (12490, 101548), (19160, 66197), (24980, 50774), (25387, 49960)]