751125680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{757}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 1782088320

約数和(自身を除く): 1030962640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 157, 158, 314, 316, 395, 628, 632, 757, 785, 790, 1256, 1264, 1514, 1570, 1580, 2512, 3028, 3140, 3160, 3785, 6056, 6280, 6320, 7570, 12112, 12403, 12560, 15140, 24806, 30280, 49612, 59803, 60560, 62015, 99224, 118849, 119606, 124030, 198448, 237698, 239212, 248060, 299015, 475396, 478424, 496120, 594245, 598030, 950792, 956848, 992240, 1188490, 1196060, 1901584, 2376980, 2392120, 4753960, 4784240, 9389071, 9507920, 18778142, 37556284, 46945355, 75112568, 93890710, 150225136, 187781420, 375562840, 751125680]

約数ペア:

[(1, 751125680), (2, 375562840), (4, 187781420), (5, 150225136), (8, 93890710), (10, 75112568), (16, 46945355), (20, 37556284), (40, 18778142), (79, 9507920), (80, 9389071), (157, 4784240), (158, 4753960), (314, 2392120), (316, 2376980), (395, 1901584), (628, 1196060), (632, 1188490), (757, 992240), (785, 956848), (790, 950792), (1256, 598030), (1264, 594245), (1514, 496120), (1570, 478424), (1580, 475396), (2512, 299015), (3028, 248060), (3140, 239212), (3160, 237698), (3785, 198448), (6056, 124030), (6280, 119606), (6320, 118849), (7570, 99224), (12112, 62015), (12403, 60560), (12560, 59803), (15140, 49612), (24806, 30280)]