28768000

素因数分解:

$2^8\times 5^3\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 76527360

約数和(自身を除く): 47759360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 31, 32, 40, 50, 58, 62, 64, 80, 100, 116, 124, 125, 128, 145, 155, 160, 200, 232, 248, 250, 256, 290, 310, 320, 400, 464, 496, 500, 580, 620, 640, 725, 775, 800, 899, 928, 992, 1000, 1160, 1240, 1280, 1450, 1550, 1600, 1798, 1856, 1984, 2000, 2320, 2480, 2900, 3100, 3200, 3596, 3625, 3712, 3875, 3968, 4000, 4495, 4640, 4960, 5800, 6200, 6400, 7192, 7250, 7424, 7750, 7936, 8000, 8990, 9280, 9920, 11600, 12400, 14384, 14500, 15500, 16000, 17980, 18560, 19840, 22475, 23200, 24800, 28768, 29000, 31000, 32000, 35960, 37120, 39680, 44950, 46400, 49600, 57536, 58000, 62000, 71920, 89900, 92800, 99200, 112375, 115072, 116000, 124000, 143840, 179800, 185600, 198400, 224750, 230144, 232000, 248000, 287680, 359600, 449500, 464000, 496000, 575360, 719200, 899000, 928000, 992000, 1150720, 1438400, 1798000, 2876800, 3596000, 5753600, 7192000, 14384000, 28768000]

約数ペア:

[(1, 28768000), (2, 14384000), (4, 7192000), (5, 5753600), (8, 3596000), (10, 2876800), (16, 1798000), (20, 1438400), (25, 1150720), (29, 992000), (31, 928000), (32, 899000), (40, 719200), (50, 575360), (58, 496000), (62, 464000), (64, 449500), (80, 359600), (100, 287680), (116, 248000), (124, 232000), (125, 230144), (128, 224750), (145, 198400), (155, 185600), (160, 179800), (200, 143840), (232, 124000), (248, 116000), (250, 115072), (256, 112375), (290, 99200), (310, 92800), (320, 89900), (400, 71920), (464, 62000), (496, 58000), (500, 57536), (580, 49600), (620, 46400), (640, 44950), (725, 39680), (775, 37120), (800, 35960), (899, 32000), (928, 31000), (992, 29000), (1000, 28768), (1160, 24800), (1240, 23200), (1280, 22475), (1450, 19840), (1550, 18560), (1600, 17980), (1798, 16000), (1856, 15500), (1984, 14500), (2000, 14384), (2320, 12400), (2480, 11600), (2900, 9920), (3100, 9280), (3200, 8990), (3596, 8000), (3625, 7936), (3712, 7750), (3875, 7424), (3968, 7250), (4000, 7192), (4495, 6400), (4640, 6200), (4960, 5800)]