261012360

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{310729}}^1$

素因数の和:310750

約数の個数: 64

約数和(自身を含む): 894902400

約数和(自身を除く): 633890040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 310729, 621458, 932187, 1242916, 1553645, 1864374, 2175103, 2485832, 3107290, 3728748, 4350206, 4660935, 6214580, 6525309, 7457496, 8700412, 9321870, 10875515, 12429160, 13050618, 17400824, 18643740, 21751030, 26101236, 32626545, 37287480, 43502060, 52202472, 65253090, 87004120, 130506180, 261012360]

約数ペア:

[(1, 261012360), (2, 130506180), (3, 87004120), (4, 65253090), (5, 52202472), (6, 43502060), (7, 37287480), (8, 32626545), (10, 26101236), (12, 21751030), (14, 18643740), (15, 17400824), (20, 13050618), (21, 12429160), (24, 10875515), (28, 9321870), (30, 8700412), (35, 7457496), (40, 6525309), (42, 6214580), (56, 4660935), (60, 4350206), (70, 3728748), (84, 3107290), (105, 2485832), (120, 2175103), (140, 1864374), (168, 1553645), (210, 1242916), (280, 932187), (420, 621458), (840, 310729)]