4257840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 13400928

約数和(自身を除く): 9143088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 157, 226, 240, 314, 339, 452, 471, 565, 628, 678, 785, 904, 942, 1130, 1256, 1356, 1570, 1695, 1808, 1884, 2260, 2355, 2512, 2712, 3140, 3390, 3768, 4520, 4710, 5424, 6280, 6780, 7536, 9040, 9420, 12560, 13560, 17741, 18840, 27120, 35482, 37680, 53223, 70964, 88705, 106446, 141928, 177410, 212892, 266115, 283856, 354820, 425784, 532230, 709640, 851568, 1064460, 1419280, 2128920, 4257840]

約数ペア:

[(1, 4257840), (2, 2128920), (3, 1419280), (4, 1064460), (5, 851568), (6, 709640), (8, 532230), (10, 425784), (12, 354820), (15, 283856), (16, 266115), (20, 212892), (24, 177410), (30, 141928), (40, 106446), (48, 88705), (60, 70964), (80, 53223), (113, 37680), (120, 35482), (157, 27120), (226, 18840), (240, 17741), (314, 13560), (339, 12560), (452, 9420), (471, 9040), (565, 7536), (628, 6780), (678, 6280), (785, 5424), (904, 4710), (942, 4520), (1130, 3768), (1256, 3390), (1356, 3140), (1570, 2712), (1695, 2512), (1808, 2355), (1884, 2260)]