28052760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1489}}^1$

素因数の和:1660

約数の個数: 64

約数和(自身を含む): 84751200

約数和(自身を除く): 56698440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1489, 1570, 1884, 2355, 2978, 3140, 3768, 4467, 4710, 5956, 6280, 7445, 8934, 9420, 11912, 14890, 17868, 18840, 22335, 29780, 35736, 44670, 59560, 89340, 178680, 233773, 467546, 701319, 935092, 1168865, 1402638, 1870184, 2337730, 2805276, 3506595, 4675460, 5610552, 7013190, 9350920, 14026380, 28052760]

約数ペア:

[(1, 28052760), (2, 14026380), (3, 9350920), (4, 7013190), (5, 5610552), (6, 4675460), (8, 3506595), (10, 2805276), (12, 2337730), (15, 1870184), (20, 1402638), (24, 1168865), (30, 935092), (40, 701319), (60, 467546), (120, 233773), (157, 178680), (314, 89340), (471, 59560), (628, 44670), (785, 35736), (942, 29780), (1256, 22335), (1489, 18840), (1570, 17868), (1884, 14890), (2355, 11912), (2978, 9420), (3140, 8934), (3768, 7445), (4467, 6280), (4710, 5956)]