513221120

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:306

約数の個数: 160

約数和(自身を含む): 1319915520

約数和(自身を除く): 806694400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 223, 232, 248, 256, 290, 310, 320, 446, 464, 496, 512, 580, 620, 640, 892, 899, 928, 992, 1115, 1160, 1240, 1280, 1784, 1798, 1856, 1984, 2230, 2320, 2480, 2560, 3568, 3596, 3712, 3968, 4460, 4495, 4640, 4960, 6467, 6913, 7136, 7192, 7424, 7936, 8920, 8990, 9280, 9920, 12934, 13826, 14272, 14384, 14848, 15872, 17840, 17980, 18560, 19840, 25868, 27652, 28544, 28768, 32335, 34565, 35680, 35960, 37120, 39680, 51736, 55304, 57088, 57536, 64670, 69130, 71360, 71920, 74240, 79360, 103472, 110608, 114176, 115072, 129340, 138260, 142720, 143840, 200477, 206944, 221216, 230144, 258680, 276520, 285440, 287680, 400954, 413888, 442432, 460288, 517360, 553040, 570880, 575360, 801908, 827776, 884864, 1002385, 1034720, 1106080, 1150720, 1603816, 1655552, 1769728, 2004770, 2069440, 2212160, 2301440, 3207632, 3311104, 3539456, 4009540, 4138880, 4424320, 6415264, 8019080, 8277760, 8848640, 12830528, 16038160, 16555520, 17697280, 25661056, 32076320, 51322112, 64152640, 102644224, 128305280, 256610560, 513221120]

約数ペア:

[(1, 513221120), (2, 256610560), (4, 128305280), (5, 102644224), (8, 64152640), (10, 51322112), (16, 32076320), (20, 25661056), (29, 17697280), (31, 16555520), (32, 16038160), (40, 12830528), (58, 8848640), (62, 8277760), (64, 8019080), (80, 6415264), (116, 4424320), (124, 4138880), (128, 4009540), (145, 3539456), (155, 3311104), (160, 3207632), (223, 2301440), (232, 2212160), (248, 2069440), (256, 2004770), (290, 1769728), (310, 1655552), (320, 1603816), (446, 1150720), (464, 1106080), (496, 1034720), (512, 1002385), (580, 884864), (620, 827776), (640, 801908), (892, 575360), (899, 570880), (928, 553040), (992, 517360), (1115, 460288), (1160, 442432), (1240, 413888), (1280, 400954), (1784, 287680), (1798, 285440), (1856, 276520), (1984, 258680), (2230, 230144), (2320, 221216), (2480, 206944), (2560, 200477), (3568, 143840), (3596, 142720), (3712, 138260), (3968, 129340), (4460, 115072), (4495, 114176), (4640, 110608), (4960, 103472), (6467, 79360), (6913, 74240), (7136, 71920), (7192, 71360), (7424, 69130), (7936, 64670), (8920, 57536), (8990, 57088), (9280, 55304), (9920, 51736), (12934, 39680), (13826, 37120), (14272, 35960), (14384, 35680), (14848, 34565), (15872, 32335), (17840, 28768), (17980, 28544), (18560, 27652), (19840, 25868)]