287680

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 56

約数和(自身を含む): 731520

約数和(自身を除く): 443840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 145, 155, 160, 232, 248, 290, 310, 320, 464, 496, 580, 620, 899, 928, 992, 1160, 1240, 1798, 1856, 1984, 2320, 2480, 3596, 4495, 4640, 4960, 7192, 8990, 9280, 9920, 14384, 17980, 28768, 35960, 57536, 71920, 143840, 287680]

約数ペア:

[(1, 287680), (2, 143840), (4, 71920), (5, 57536), (8, 35960), (10, 28768), (16, 17980), (20, 14384), (29, 9920), (31, 9280), (32, 8990), (40, 7192), (58, 4960), (62, 4640), (64, 4495), (80, 3596), (116, 2480), (124, 2320), (145, 1984), (155, 1856), (160, 1798), (232, 1240), (248, 1160), (290, 992), (310, 928), (320, 899), (464, 620), (496, 580)]