217543121880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{258979907}}^1$

素因数の和:258979928

約数の個数: 64

約数和(自身を含む): 745862135040

約数和(自身を除く): 528319013160

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, 258979907, 517959814, 776939721, 1035919628, 1294899535, 1553879442, 1812859349, 2071839256, 2589799070, 3107758884, 3625718698, 3884698605, 5179598140, 5438578047, 6215517768, 7251437396, 7769397210, 9064296745, 10359196280, 10877156094, 14502874792, 15538794420, 18128593490, 21754312188, 27192890235, 31077588840, 36257186980, 43508624376, 54385780470, 72514373960, 108771560940, 217543121880]

約数ペア:

[(1, 217543121880), (2, 108771560940), (3, 72514373960), (4, 54385780470), (5, 43508624376), (6, 36257186980), (7, 31077588840), (8, 27192890235), (10, 21754312188), (12, 18128593490), (14, 15538794420), (15, 14502874792), (20, 10877156094), (21, 10359196280), (24, 9064296745), (28, 7769397210), (30, 7251437396), (35, 6215517768), (40, 5438578047), (42, 5179598140), (56, 3884698605), (60, 3625718698), (70, 3107758884), (84, 2589799070), (105, 2071839256), (120, 1812859349), (140, 1553879442), (168, 1294899535), (210, 1035919628), (280, 776939721), (420, 517959814), (840, 258979907)]