65705080

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4789}}^1$

素因数の和:4821

約数の個数: 64

約数和(自身を含む): 172440000

約数和(自身を除く): 106734920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4789, 6860, 9578, 13720, 19156, 23945, 33523, 38312, 47890, 67046, 95780, 134092, 167615, 191560, 234661, 268184, 335230, 469322, 670460, 938644, 1173305, 1340920, 1642627, 1877288, 2346610, 3285254, 4693220, 6570508, 8213135, 9386440, 13141016, 16426270, 32852540, 65705080]

約数ペア:

[(1, 65705080), (2, 32852540), (4, 16426270), (5, 13141016), (7, 9386440), (8, 8213135), (10, 6570508), (14, 4693220), (20, 3285254), (28, 2346610), (35, 1877288), (40, 1642627), (49, 1340920), (56, 1173305), (70, 938644), (98, 670460), (140, 469322), (196, 335230), (245, 268184), (280, 234661), (343, 191560), (392, 167615), (490, 134092), (686, 95780), (980, 67046), (1372, 47890), (1715, 38312), (1960, 33523), (2744, 23945), (3430, 19156), (4789, 13720), (6860, 9578)]