91481880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{108907}}^1$

素因数の和:108928

約数の個数: 64

約数和(自身を含む): 313655040

約数和(自身を除く): 222173160

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, 108907, 217814, 326721, 435628, 544535, 653442, 762349, 871256, 1089070, 1306884, 1524698, 1633605, 2178140, 2287047, 2613768, 3049396, 3267210, 3811745, 4356280, 4574094, 6098792, 6534420, 7623490, 9148188, 11435235, 13068840, 15246980, 18296376, 22870470, 30493960, 45740940, 91481880]

約数ペア:

[(1, 91481880), (2, 45740940), (3, 30493960), (4, 22870470), (5, 18296376), (6, 15246980), (7, 13068840), (8, 11435235), (10, 9148188), (12, 7623490), (14, 6534420), (15, 6098792), (20, 4574094), (21, 4356280), (24, 3811745), (28, 3267210), (30, 3049396), (35, 2613768), (40, 2287047), (42, 2178140), (56, 1633605), (60, 1524698), (70, 1306884), (84, 1089070), (105, 871256), (120, 762349), (140, 653442), (168, 544535), (210, 435628), (280, 326721), (420, 217814), (840, 108907)]