80731872

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21563}}^1$

素因数の和:21592

約数の個数: 72

約数和(自身を含む): 247252824

約数和(自身を除く): 166520952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 21563, 43126, 64689, 86252, 129378, 172504, 194067, 258756, 280319, 345008, 388134, 517512, 560638, 690016, 776268, 840957, 1035024, 1121276, 1552536, 1681914, 2070048, 2242552, 2522871, 3105072, 3363828, 4485104, 5045742, 6210144, 6727656, 8970208, 10091484, 13455312, 20182968, 26910624, 40365936, 80731872]

約数ペア:

[(1, 80731872), (2, 40365936), (3, 26910624), (4, 20182968), (6, 13455312), (8, 10091484), (9, 8970208), (12, 6727656), (13, 6210144), (16, 5045742), (18, 4485104), (24, 3363828), (26, 3105072), (32, 2522871), (36, 2242552), (39, 2070048), (48, 1681914), (52, 1552536), (72, 1121276), (78, 1035024), (96, 840957), (104, 776268), (117, 690016), (144, 560638), (156, 517512), (208, 388134), (234, 345008), (288, 280319), (312, 258756), (416, 194067), (468, 172504), (624, 129378), (936, 86252), (1248, 64689), (1872, 43126), (3744, 21563)]