123910720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12491}}^1$

素因数の和:12539

約数の個数: 56

約数和(自身を含む): 304604928

約数和(自身を除く): 180694208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 12491, 24982, 49964, 62455, 99928, 124910, 199856, 249820, 387221, 399712, 499640, 774442, 799424, 999280, 1548884, 1936105, 1998560, 3097768, 3872210, 3997120, 6195536, 7744420, 12391072, 15488840, 24782144, 30977680, 61955360, 123910720]

約数ペア:

[(1, 123910720), (2, 61955360), (4, 30977680), (5, 24782144), (8, 15488840), (10, 12391072), (16, 7744420), (20, 6195536), (31, 3997120), (32, 3872210), (40, 3097768), (62, 1998560), (64, 1936105), (80, 1548884), (124, 999280), (155, 799424), (160, 774442), (248, 499640), (310, 399712), (320, 387221), (496, 249820), (620, 199856), (992, 124910), (1240, 99928), (1984, 62455), (2480, 49964), (4960, 24982), (9920, 12491)]