326187960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{388319}}^1$

素因数の和:388340

約数の個数: 64

約数和(自身を含む): 1118361600

約数和(自身を除く): 792173640

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, 388319, 776638, 1164957, 1553276, 1941595, 2329914, 2718233, 3106552, 3883190, 4659828, 5436466, 5824785, 7766380, 8154699, 9319656, 10872932, 11649570, 13591165, 15532760, 16309398, 21745864, 23299140, 27182330, 32618796, 40773495, 46598280, 54364660, 65237592, 81546990, 108729320, 163093980, 326187960]

約数ペア:

[(1, 326187960), (2, 163093980), (3, 108729320), (4, 81546990), (5, 65237592), (6, 54364660), (7, 46598280), (8, 40773495), (10, 32618796), (12, 27182330), (14, 23299140), (15, 21745864), (20, 16309398), (21, 15532760), (24, 13591165), (28, 11649570), (30, 10872932), (35, 9319656), (40, 8154699), (42, 7766380), (56, 5824785), (60, 5436466), (70, 4659828), (84, 3883190), (105, 3106552), (120, 2718233), (140, 2329914), (168, 1941595), (210, 1553276), (280, 1164957), (420, 776638), (840, 388319)]