7156040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 17280000

約数和(自身を除く): 10123960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 116, 124, 145, 155, 199, 232, 248, 290, 310, 398, 580, 620, 796, 899, 995, 1160, 1240, 1592, 1798, 1990, 3596, 3980, 4495, 5771, 6169, 7192, 7960, 8990, 11542, 12338, 17980, 23084, 24676, 28855, 30845, 35960, 46168, 49352, 57710, 61690, 115420, 123380, 178901, 230840, 246760, 357802, 715604, 894505, 1431208, 1789010, 3578020, 7156040]

約数ペア:

[(1, 7156040), (2, 3578020), (4, 1789010), (5, 1431208), (8, 894505), (10, 715604), (20, 357802), (29, 246760), (31, 230840), (40, 178901), (58, 123380), (62, 115420), (116, 61690), (124, 57710), (145, 49352), (155, 46168), (199, 35960), (232, 30845), (248, 28855), (290, 24676), (310, 23084), (398, 17980), (580, 12338), (620, 11542), (796, 8990), (899, 7960), (995, 7192), (1160, 6169), (1240, 5771), (1592, 4495), (1798, 3980), (1990, 3596)]