145954480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1274

約数の個数: 80

約数和(自身を含む): 389689344

約数和(自身を除く): 243734864

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 263, 280, 526, 560, 991, 1052, 1315, 1841, 1982, 2104, 2630, 3682, 3964, 4208, 4955, 5260, 6937, 7364, 7928, 9205, 9910, 10520, 13874, 14728, 15856, 18410, 19820, 21040, 27748, 29456, 34685, 36820, 39640, 55496, 69370, 73640, 79280, 110992, 138740, 147280, 260633, 277480, 521266, 554960, 1042532, 1303165, 1824431, 2085064, 2606330, 3648862, 4170128, 5212660, 7297724, 9122155, 10425320, 14595448, 18244310, 20850640, 29190896, 36488620, 72977240, 145954480]

約数ペア:

[(1, 145954480), (2, 72977240), (4, 36488620), (5, 29190896), (7, 20850640), (8, 18244310), (10, 14595448), (14, 10425320), (16, 9122155), (20, 7297724), (28, 5212660), (35, 4170128), (40, 3648862), (56, 2606330), (70, 2085064), (80, 1824431), (112, 1303165), (140, 1042532), (263, 554960), (280, 521266), (526, 277480), (560, 260633), (991, 147280), (1052, 138740), (1315, 110992), (1841, 79280), (1982, 73640), (2104, 69370), (2630, 55496), (3682, 39640), (3964, 36820), (4208, 34685), (4955, 29456), (5260, 27748), (6937, 21040), (7364, 19820), (7928, 18410), (9205, 15856), (9910, 14728), (10520, 13874)]