63831880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{823}}^1$

素因数の和:1118

約数の個数: 64

約数和(自身を含む): 164931840

約数和(自身を除く): 101099960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 277, 280, 554, 823, 1108, 1385, 1646, 1939, 2216, 2770, 3292, 3878, 4115, 5540, 5761, 6584, 7756, 8230, 9695, 11080, 11522, 15512, 16460, 19390, 23044, 28805, 32920, 38780, 46088, 57610, 77560, 115220, 227971, 230440, 455942, 911884, 1139855, 1595797, 1823768, 2279710, 3191594, 4559420, 6383188, 7978985, 9118840, 12766376, 15957970, 31915940, 63831880]

約数ペア:

[(1, 63831880), (2, 31915940), (4, 15957970), (5, 12766376), (7, 9118840), (8, 7978985), (10, 6383188), (14, 4559420), (20, 3191594), (28, 2279710), (35, 1823768), (40, 1595797), (56, 1139855), (70, 911884), (140, 455942), (277, 230440), (280, 227971), (554, 115220), (823, 77560), (1108, 57610), (1385, 46088), (1646, 38780), (1939, 32920), (2216, 28805), (2770, 23044), (3292, 19390), (3878, 16460), (4115, 15512), (5540, 11522), (5761, 11080), (6584, 9695), (7756, 8230)]