1442112640

素因数分解:

$2^7\times 5^1\times {\mathrm{631}}^1\times {\mathrm{3571}}^1$

素因数の和:4221

約数の個数: 64

約数和(自身を含む): 3453981120

約数和(自身を除く): 2011868480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 631, 640, 1262, 2524, 3155, 3571, 5048, 6310, 7142, 10096, 12620, 14284, 17855, 20192, 25240, 28568, 35710, 40384, 50480, 57136, 71420, 80768, 100960, 114272, 142840, 201920, 228544, 285680, 403840, 457088, 571360, 1142720, 2253301, 2285440, 4506602, 9013204, 11266505, 18026408, 22533010, 36052816, 45066020, 72105632, 90132040, 144211264, 180264080, 288422528, 360528160, 721056320, 1442112640]

約数ペア:

[(1, 1442112640), (2, 721056320), (4, 360528160), (5, 288422528), (8, 180264080), (10, 144211264), (16, 90132040), (20, 72105632), (32, 45066020), (40, 36052816), (64, 22533010), (80, 18026408), (128, 11266505), (160, 9013204), (320, 4506602), (631, 2285440), (640, 2253301), (1262, 1142720), (2524, 571360), (3155, 457088), (3571, 403840), (5048, 285680), (6310, 228544), (7142, 201920), (10096, 142840), (12620, 114272), (14284, 100960), (17855, 80768), (20192, 71420), (25240, 57136), (28568, 50480), (35710, 40384)]