80176880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4937}}^1$

素因数の和:4986

約数の個数: 80

約数和(自身を含む): 220432320

約数和(自身を除く): 140255440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 4937, 8120, 9874, 16240, 19748, 24685, 34559, 39496, 49370, 69118, 78992, 98740, 138236, 143173, 172795, 197480, 276472, 286346, 345590, 394960, 552944, 572692, 691180, 715865, 1002211, 1145384, 1382360, 1431730, 2004422, 2290768, 2764720, 2863460, 4008844, 5011055, 5726920, 8017688, 10022110, 11453840, 16035376, 20044220, 40088440, 80176880]

約数ペア:

[(1, 80176880), (2, 40088440), (4, 20044220), (5, 16035376), (7, 11453840), (8, 10022110), (10, 8017688), (14, 5726920), (16, 5011055), (20, 4008844), (28, 2863460), (29, 2764720), (35, 2290768), (40, 2004422), (56, 1431730), (58, 1382360), (70, 1145384), (80, 1002211), (112, 715865), (116, 691180), (140, 572692), (145, 552944), (203, 394960), (232, 345590), (280, 286346), (290, 276472), (406, 197480), (464, 172795), (560, 143173), (580, 138236), (812, 98740), (1015, 78992), (1160, 69118), (1624, 49370), (2030, 39496), (2320, 34559), (3248, 24685), (4060, 19748), (4937, 16240), (8120, 9874)]