15678859640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{677}}^1\times {\mathrm{2939}}^1$

素因数の和:3824

約数の個数: 64

約数和(自身を含む): 35520962400

約数和(自身を除く): 19842102760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 677, 788, 985, 1354, 1576, 1970, 2708, 2939, 3385, 3940, 5416, 5878, 6770, 7880, 11756, 13540, 14695, 23512, 27080, 29390, 58780, 117560, 133369, 266738, 533476, 578983, 666845, 1066952, 1157966, 1333690, 1989703, 2315932, 2667380, 2894915, 3979406, 4631864, 5334760, 5789830, 7958812, 9948515, 11579660, 15917624, 19897030, 23159320, 39794060, 79588120, 391971491, 783942982, 1567885964, 1959857455, 3135771928, 3919714910, 7839429820, 15678859640]

約数ペア:

[(1, 15678859640), (2, 7839429820), (4, 3919714910), (5, 3135771928), (8, 1959857455), (10, 1567885964), (20, 783942982), (40, 391971491), (197, 79588120), (394, 39794060), (677, 23159320), (788, 19897030), (985, 15917624), (1354, 11579660), (1576, 9948515), (1970, 7958812), (2708, 5789830), (2939, 5334760), (3385, 4631864), (3940, 3979406), (5416, 2894915), (5878, 2667380), (6770, 2315932), (7880, 1989703), (11756, 1333690), (13540, 1157966), (14695, 1066952), (23512, 666845), (27080, 578983), (29390, 533476), (58780, 266738), (117560, 133369)]