81873072

素因数分解:

$2^4\times 3^3\times {\mathrm{79}}^1\times {\mathrm{2399}}^1$

素因数の和:2495

約数の個数: 80

約数和(自身を含む): 238080000

約数和(自身を除く): 156206928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 79, 108, 144, 158, 216, 237, 316, 432, 474, 632, 711, 948, 1264, 1422, 1896, 2133, 2399, 2844, 3792, 4266, 4798, 5688, 7197, 8532, 9596, 11376, 14394, 17064, 19192, 21591, 28788, 34128, 38384, 43182, 57576, 64773, 86364, 115152, 129546, 172728, 189521, 259092, 345456, 379042, 518184, 568563, 758084, 1036368, 1137126, 1516168, 1705689, 2274252, 3032336, 3411378, 4548504, 5117067, 6822756, 9097008, 10234134, 13645512, 20468268, 27291024, 40936536, 81873072]

約数ペア:

[(1, 81873072), (2, 40936536), (3, 27291024), (4, 20468268), (6, 13645512), (8, 10234134), (9, 9097008), (12, 6822756), (16, 5117067), (18, 4548504), (24, 3411378), (27, 3032336), (36, 2274252), (48, 1705689), (54, 1516168), (72, 1137126), (79, 1036368), (108, 758084), (144, 568563), (158, 518184), (216, 379042), (237, 345456), (316, 259092), (432, 189521), (474, 172728), (632, 129546), (711, 115152), (948, 86364), (1264, 64773), (1422, 57576), (1896, 43182), (2133, 38384), (2399, 34128), (2844, 28788), (3792, 21591), (4266, 19192), (4798, 17064), (5688, 14394), (7197, 11376), (8532, 9596)]