2128920

素因数分解:

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

素因数の和:284

約数の個数: 64

約数和(自身を含む): 6484320

約数和(自身を除く): 4355400

約数列:

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

約数ペア:

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