638891010

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{102881}}^1$

素因数の和:102920

約数の個数: 64

約数和(自身を含む): 1777800960

約数和(自身を除く): 1138909950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 90, 115, 135, 138, 207, 230, 270, 345, 414, 621, 690, 1035, 1242, 2070, 3105, 6210, 102881, 205762, 308643, 514405, 617286, 925929, 1028810, 1543215, 1851858, 2366263, 2777787, 3086430, 4629645, 4732526, 5555574, 7098789, 9259290, 11831315, 13888935, 14197578, 21296367, 23662630, 27777870, 35493945, 42592734, 63889101, 70987890, 106481835, 127778202, 212963670, 319445505, 638891010]

約数ペア:

[(1, 638891010), (2, 319445505), (3, 212963670), (5, 127778202), (6, 106481835), (9, 70987890), (10, 63889101), (15, 42592734), (18, 35493945), (23, 27777870), (27, 23662630), (30, 21296367), (45, 14197578), (46, 13888935), (54, 11831315), (69, 9259290), (90, 7098789), (115, 5555574), (135, 4732526), (138, 4629645), (207, 3086430), (230, 2777787), (270, 2366263), (345, 1851858), (414, 1543215), (621, 1028810), (690, 925929), (1035, 617286), (1242, 514405), (2070, 308643), (3105, 205762), (6210, 102881)]