128620278

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3571}}^1$

素因数の和:3634

約数の個数: 64

約数和(自身を含む): 308620800

約数和(自身を除く): 180000522

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 29, 46, 54, 58, 69, 87, 138, 174, 207, 261, 414, 522, 621, 667, 783, 1242, 1334, 1566, 2001, 3571, 4002, 6003, 7142, 10713, 12006, 18009, 21426, 32139, 36018, 64278, 82133, 96417, 103559, 164266, 192834, 207118, 246399, 310677, 492798, 621354, 739197, 932031, 1478394, 1864062, 2217591, 2381857, 2796093, 4435182, 4763714, 5592186, 7145571, 14291142, 21436713, 42873426, 64310139, 128620278]

約数ペア:

[(1, 128620278), (2, 64310139), (3, 42873426), (6, 21436713), (9, 14291142), (18, 7145571), (23, 5592186), (27, 4763714), (29, 4435182), (46, 2796093), (54, 2381857), (58, 2217591), (69, 1864062), (87, 1478394), (138, 932031), (174, 739197), (207, 621354), (261, 492798), (414, 310677), (522, 246399), (621, 207118), (667, 192834), (783, 164266), (1242, 103559), (1334, 96417), (1566, 82133), (2001, 64278), (3571, 36018), (4002, 32139), (6003, 21426), (7142, 18009), (10713, 12006)]