78824320

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 202694400

約数和(自身を除く): 123870080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 137, 145, 155, 160, 232, 248, 274, 290, 310, 320, 464, 496, 548, 580, 620, 640, 685, 899, 928, 992, 1096, 1160, 1240, 1370, 1798, 1856, 1984, 2192, 2320, 2480, 2740, 3596, 3712, 3968, 3973, 4247, 4384, 4495, 4640, 4960, 5480, 7192, 7946, 8494, 8768, 8990, 9280, 9920, 10960, 14384, 15892, 16988, 17536, 17980, 18560, 19840, 19865, 21235, 21920, 28768, 31784, 33976, 35960, 39730, 42470, 43840, 57536, 63568, 67952, 71920, 79460, 84940, 87680, 115072, 123163, 127136, 135904, 143840, 158920, 169880, 246326, 254272, 271808, 287680, 317840, 339760, 492652, 508544, 543616, 575360, 615815, 635680, 679520, 985304, 1231630, 1271360, 1359040, 1970608, 2463260, 2542720, 2718080, 3941216, 4926520, 7882432, 9853040, 15764864, 19706080, 39412160, 78824320]

約数ペア:

[(1, 78824320), (2, 39412160), (4, 19706080), (5, 15764864), (8, 9853040), (10, 7882432), (16, 4926520), (20, 3941216), (29, 2718080), (31, 2542720), (32, 2463260), (40, 1970608), (58, 1359040), (62, 1271360), (64, 1231630), (80, 985304), (116, 679520), (124, 635680), (128, 615815), (137, 575360), (145, 543616), (155, 508544), (160, 492652), (232, 339760), (248, 317840), (274, 287680), (290, 271808), (310, 254272), (320, 246326), (464, 169880), (496, 158920), (548, 143840), (580, 135904), (620, 127136), (640, 123163), (685, 115072), (899, 87680), (928, 84940), (992, 79460), (1096, 71920), (1160, 67952), (1240, 63568), (1370, 57536), (1798, 43840), (1856, 42470), (1984, 39730), (2192, 35960), (2320, 33976), (2480, 31784), (2740, 28768), (3596, 21920), (3712, 21235), (3968, 19865), (3973, 19840), (4247, 18560), (4384, 17980), (4495, 17536), (4640, 16988), (4960, 15892), (5480, 14384), (7192, 10960), (7946, 9920), (8494, 9280), (8768, 8990)]