31309877480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1833131}}^1$

素因数の和:1833210

約数の個数: 64

約数和(自身を含む): 81831012480

約数和(自身を除く): 50521135000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1708, 2135, 2440, 3416, 4270, 8540, 17080, 1833131, 3666262, 7332524, 9165655, 12831917, 14665048, 18331310, 25663834, 36662620, 51327668, 64159585, 73325240, 102655336, 111820991, 128319170, 223641982, 256638340, 447283964, 513276680, 559104955, 782746937, 894567928, 1118209910, 1565493874, 2236419820, 3130987748, 3913734685, 4472839640, 6261975496, 7827469370, 15654938740, 31309877480]

約数ペア:

[(1, 31309877480), (2, 15654938740), (4, 7827469370), (5, 6261975496), (7, 4472839640), (8, 3913734685), (10, 3130987748), (14, 2236419820), (20, 1565493874), (28, 1118209910), (35, 894567928), (40, 782746937), (56, 559104955), (61, 513276680), (70, 447283964), (122, 256638340), (140, 223641982), (244, 128319170), (280, 111820991), (305, 102655336), (427, 73325240), (488, 64159585), (610, 51327668), (854, 36662620), (1220, 25663834), (1708, 18331310), (2135, 14665048), (2440, 12831917), (3416, 9165655), (4270, 7332524), (8540, 3666262), (17080, 1833131)]