1245883960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{787}}^1\times {\mathrm{2083}}^1$

素因数の和:2900

約数の個数: 64

約数和(自身を含む): 2955945600

約数和(自身を除く): 1710061640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 787, 1574, 2083, 3148, 3935, 4166, 6296, 7870, 8332, 10415, 14953, 15740, 16664, 20830, 29906, 31480, 39577, 41660, 59812, 74765, 79154, 83320, 119624, 149530, 158308, 197885, 299060, 316616, 395770, 598120, 791540, 1583080, 1639321, 3278642, 6557284, 8196605, 13114568, 16393210, 31147099, 32786420, 62294198, 65572840, 124588396, 155735495, 249176792, 311470990, 622941980, 1245883960]

約数ペア:

[(1, 1245883960), (2, 622941980), (4, 311470990), (5, 249176792), (8, 155735495), (10, 124588396), (19, 65572840), (20, 62294198), (38, 32786420), (40, 31147099), (76, 16393210), (95, 13114568), (152, 8196605), (190, 6557284), (380, 3278642), (760, 1639321), (787, 1583080), (1574, 791540), (2083, 598120), (3148, 395770), (3935, 316616), (4166, 299060), (6296, 197885), (7870, 158308), (8332, 149530), (10415, 119624), (14953, 83320), (15740, 79154), (16664, 74765), (20830, 59812), (29906, 41660), (31480, 39577)]