163880360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2971}}^1$

素因数の和:3186

約数の個数: 64

約数和(自身を含む): 423688320

約数和(自身を除く): 259807960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 2971, 3940, 5516, 5942, 6895, 7880, 11032, 11884, 13790, 14855, 20797, 23768, 27580, 29710, 41594, 55160, 59420, 83188, 103985, 118840, 166376, 207970, 415940, 585287, 831880, 1170574, 2341148, 2926435, 4097009, 4682296, 5852870, 8194018, 11705740, 16388036, 20485045, 23411480, 32776072, 40970090, 81940180, 163880360]

約数ペア:

[(1, 163880360), (2, 81940180), (4, 40970090), (5, 32776072), (7, 23411480), (8, 20485045), (10, 16388036), (14, 11705740), (20, 8194018), (28, 5852870), (35, 4682296), (40, 4097009), (56, 2926435), (70, 2341148), (140, 1170574), (197, 831880), (280, 585287), (394, 415940), (788, 207970), (985, 166376), (1379, 118840), (1576, 103985), (1970, 83188), (2758, 59420), (2971, 55160), (3940, 41594), (5516, 29710), (5942, 27580), (6895, 23768), (7880, 20797), (11032, 14855), (11884, 13790)]