78219120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{46559}}^1$

素因数の和:46582

約数の個数: 80

約数和(自身を含む): 277125120

約数和(自身を除く): 198906000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 46559, 93118, 139677, 186236, 232795, 279354, 325913, 372472, 465590, 558708, 651826, 698385, 744944, 931180, 977739, 1117416, 1303652, 1396770, 1629565, 1862360, 1955478, 2234832, 2607304, 2793540, 3259130, 3724720, 3910956, 4888695, 5214608, 5587080, 6518260, 7821912, 9777390, 11174160, 13036520, 15643824, 19554780, 26073040, 39109560, 78219120]

約数ペア:

[(1, 78219120), (2, 39109560), (3, 26073040), (4, 19554780), (5, 15643824), (6, 13036520), (7, 11174160), (8, 9777390), (10, 7821912), (12, 6518260), (14, 5587080), (15, 5214608), (16, 4888695), (20, 3910956), (21, 3724720), (24, 3259130), (28, 2793540), (30, 2607304), (35, 2234832), (40, 1955478), (42, 1862360), (48, 1629565), (56, 1396770), (60, 1303652), (70, 1117416), (80, 977739), (84, 931180), (105, 744944), (112, 698385), (120, 651826), (140, 558708), (168, 465590), (210, 372472), (240, 325913), (280, 279354), (336, 232795), (420, 186236), (560, 139677), (840, 93118), (1680, 46559)]