8117480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{547}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 21306240

約数和(自身を除く): 13188760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 547, 742, 1060, 1094, 1484, 1855, 2120, 2188, 2735, 2968, 3710, 3829, 4376, 5470, 7420, 7658, 10940, 14840, 15316, 19145, 21880, 28991, 30632, 38290, 57982, 76580, 115964, 144955, 153160, 202937, 231928, 289910, 405874, 579820, 811748, 1014685, 1159640, 1623496, 2029370, 4058740, 8117480]

約数ペア:

[(1, 8117480), (2, 4058740), (4, 2029370), (5, 1623496), (7, 1159640), (8, 1014685), (10, 811748), (14, 579820), (20, 405874), (28, 289910), (35, 231928), (40, 202937), (53, 153160), (56, 144955), (70, 115964), (106, 76580), (140, 57982), (212, 38290), (265, 30632), (280, 28991), (371, 21880), (424, 19145), (530, 15316), (547, 14840), (742, 10940), (1060, 7658), (1094, 7420), (1484, 5470), (1855, 4376), (2120, 3829), (2188, 3710), (2735, 2968)]