28293240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1721}}^1$

素因数の和:1872

約数の個数: 64

約数和(自身を含む): 85548960

約数和(自身を除く): 57255720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 137, 274, 411, 548, 685, 822, 1096, 1370, 1644, 1721, 2055, 2740, 3288, 3442, 4110, 5163, 5480, 6884, 8220, 8605, 10326, 13768, 16440, 17210, 20652, 25815, 34420, 41304, 51630, 68840, 103260, 206520, 235777, 471554, 707331, 943108, 1178885, 1414662, 1886216, 2357770, 2829324, 3536655, 4715540, 5658648, 7073310, 9431080, 14146620, 28293240]

約数ペア:

[(1, 28293240), (2, 14146620), (3, 9431080), (4, 7073310), (5, 5658648), (6, 4715540), (8, 3536655), (10, 2829324), (12, 2357770), (15, 1886216), (20, 1414662), (24, 1178885), (30, 943108), (40, 707331), (60, 471554), (120, 235777), (137, 206520), (274, 103260), (411, 68840), (548, 51630), (685, 41304), (822, 34420), (1096, 25815), (1370, 20652), (1644, 17210), (1721, 16440), (2055, 13768), (2740, 10326), (3288, 8605), (3442, 8220), (4110, 6884), (5163, 5480)]