28956120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1063}}^1$

素因数の和:1304

約数の個数: 64

約数和(自身を含む): 87333120

約数和(自身を除く): 58377000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 227, 454, 681, 908, 1063, 1135, 1362, 1816, 2126, 2270, 2724, 3189, 3405, 4252, 4540, 5315, 5448, 6378, 6810, 8504, 9080, 10630, 12756, 13620, 15945, 21260, 25512, 27240, 31890, 42520, 63780, 127560, 241301, 482602, 723903, 965204, 1206505, 1447806, 1930408, 2413010, 2895612, 3619515, 4826020, 5791224, 7239030, 9652040, 14478060, 28956120]

約数ペア:

[(1, 28956120), (2, 14478060), (3, 9652040), (4, 7239030), (5, 5791224), (6, 4826020), (8, 3619515), (10, 2895612), (12, 2413010), (15, 1930408), (20, 1447806), (24, 1206505), (30, 965204), (40, 723903), (60, 482602), (120, 241301), (227, 127560), (454, 63780), (681, 42520), (908, 31890), (1063, 27240), (1135, 25512), (1362, 21260), (1816, 15945), (2126, 13620), (2270, 12756), (2724, 10630), (3189, 9080), (3405, 8504), (4252, 6810), (4540, 6378), (5315, 5448)]