1557492040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{829}}^1\times {\mathrm{3613}}^1$

素因数の和:4466

約数の個数: 64

約数和(自身を含む): 3779521200

約数和(自身を除く): 2222029160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 829, 1658, 3316, 3613, 4145, 6632, 7226, 8290, 10777, 14452, 16580, 18065, 21554, 28904, 33160, 36130, 43108, 46969, 53885, 72260, 86216, 93938, 107770, 144520, 187876, 215540, 234845, 375752, 431080, 469690, 939380, 1878760, 2995177, 5990354, 11980708, 14975885, 23961416, 29951770, 38937301, 59903540, 77874602, 119807080, 155749204, 194686505, 311498408, 389373010, 778746020, 1557492040]

約数ペア:

[(1, 1557492040), (2, 778746020), (4, 389373010), (5, 311498408), (8, 194686505), (10, 155749204), (13, 119807080), (20, 77874602), (26, 59903540), (40, 38937301), (52, 29951770), (65, 23961416), (104, 14975885), (130, 11980708), (260, 5990354), (520, 2995177), (829, 1878760), (1658, 939380), (3316, 469690), (3613, 431080), (4145, 375752), (6632, 234845), (7226, 215540), (8290, 187876), (10777, 144520), (14452, 107770), (16580, 93938), (18065, 86216), (21554, 72260), (28904, 53885), (33160, 46969), (36130, 43108)]