15678955640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1\times {\mathrm{11777}}^1$

素因数の和:12272

約数の個数: 64

約数和(自身を含む): 35794755360

約数和(自身を除く): 20115799720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 401, 415, 664, 802, 830, 1604, 1660, 2005, 3208, 3320, 4010, 8020, 11777, 16040, 23554, 33283, 47108, 58885, 66566, 94216, 117770, 133132, 166415, 235540, 266264, 332830, 471080, 665660, 977491, 1331320, 1954982, 3909964, 4722577, 4887455, 7819928, 9445154, 9774910, 18890308, 19549820, 23612885, 37780616, 39099640, 47225770, 94451540, 188903080, 391973891, 783947782, 1567895564, 1959869455, 3135791128, 3919738910, 7839477820, 15678955640]

約数ペア:

[(1, 15678955640), (2, 7839477820), (4, 3919738910), (5, 3135791128), (8, 1959869455), (10, 1567895564), (20, 783947782), (40, 391973891), (83, 188903080), (166, 94451540), (332, 47225770), (401, 39099640), (415, 37780616), (664, 23612885), (802, 19549820), (830, 18890308), (1604, 9774910), (1660, 9445154), (2005, 7819928), (3208, 4887455), (3320, 4722577), (4010, 3909964), (8020, 1954982), (11777, 1331320), (16040, 977491), (23554, 665660), (33283, 471080), (47108, 332830), (58885, 266264), (66566, 235540), (94216, 166415), (117770, 133132)]