287394780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{30509}}^1$

素因数の和:30678

約数の個数: 48

約数和(自身を含む): 809857440

約数和(自身を除く): 522462660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 157, 314, 471, 628, 785, 942, 1570, 1884, 2355, 3140, 4710, 9420, 30509, 61018, 91527, 122036, 152545, 183054, 305090, 366108, 457635, 610180, 915270, 1830540, 4789913, 9579826, 14369739, 19159652, 23949565, 28739478, 47899130, 57478956, 71848695, 95798260, 143697390, 287394780]

約数ペア:

[(1, 287394780), (2, 143697390), (3, 95798260), (4, 71848695), (5, 57478956), (6, 47899130), (10, 28739478), (12, 23949565), (15, 19159652), (20, 14369739), (30, 9579826), (60, 4789913), (157, 1830540), (314, 915270), (471, 610180), (628, 457635), (785, 366108), (942, 305090), (1570, 183054), (1884, 152545), (2355, 122036), (3140, 91527), (4710, 61018), (9420, 30509)]