775585280

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 160

約数和(自身を含む): 1991658240

約数和(自身を除く): 1216072960

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, 232, 248, 256, 290, 310, 320, 337, 464, 496, 512, 580, 620, 640, 674, 899, 928, 992, 1160, 1240, 1280, 1348, 1685, 1798, 1856, 1984, 2320, 2480, 2560, 2696, 3370, 3596, 3712, 3968, 4495, 4640, 4960, 5392, 6740, 7192, 7424, 7936, 8990, 9280, 9773, 9920, 10447, 10784, 13480, 14384, 14848, 15872, 17980, 18560, 19546, 19840, 20894, 21568, 26960, 28768, 35960, 37120, 39092, 39680, 41788, 43136, 48865, 52235, 53920, 57536, 71920, 74240, 78184, 79360, 83576, 86272, 97730, 104470, 107840, 115072, 143840, 156368, 167152, 172544, 195460, 208940, 215680, 230144, 287680, 302963, 312736, 334304, 390920, 417880, 431360, 460288, 575360, 605926, 625472, 668608, 781840, 835760, 862720, 1150720, 1211852, 1250944, 1337216, 1514815, 1563680, 1671520, 2301440, 2423704, 2501888, 2674432, 3029630, 3127360, 3343040, 4847408, 5003776, 5348864, 6059260, 6254720, 6686080, 9694816, 12118520, 12509440, 13372160, 19389632, 24237040, 25018880, 26744320, 38779264, 48474080, 77558528, 96948160, 155117056, 193896320, 387792640, 775585280]

約数ペア:

[(1, 775585280), (2, 387792640), (4, 193896320), (5, 155117056), (8, 96948160), (10, 77558528), (16, 48474080), (20, 38779264), (29, 26744320), (31, 25018880), (32, 24237040), (40, 19389632), (58, 13372160), (62, 12509440), (64, 12118520), (80, 9694816), (116, 6686080), (124, 6254720), (128, 6059260), (145, 5348864), (155, 5003776), (160, 4847408), (232, 3343040), (248, 3127360), (256, 3029630), (290, 2674432), (310, 2501888), (320, 2423704), (337, 2301440), (464, 1671520), (496, 1563680), (512, 1514815), (580, 1337216), (620, 1250944), (640, 1211852), (674, 1150720), (899, 862720), (928, 835760), (992, 781840), (1160, 668608), (1240, 625472), (1280, 605926), (1348, 575360), (1685, 460288), (1798, 431360), (1856, 417880), (1984, 390920), (2320, 334304), (2480, 312736), (2560, 302963), (2696, 287680), (3370, 230144), (3596, 215680), (3712, 208940), (3968, 195460), (4495, 172544), (4640, 167152), (4960, 156368), (5392, 143840), (6740, 115072), (7192, 107840), (7424, 104470), (7936, 97730), (8990, 86272), (9280, 83576), (9773, 79360), (9920, 78184), (10447, 74240), (10784, 71920), (13480, 57536), (14384, 53920), (14848, 52235), (15872, 48865), (17980, 43136), (18560, 41788), (19546, 39680), (19840, 39092), (20894, 37120), (21568, 35960), (26960, 28768)]