72808680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{86677}}^1$

素因数の和:86698

約数の個数: 64

約数和(自身を含む): 249632640

約数和(自身を除く): 176823960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 86677, 173354, 260031, 346708, 433385, 520062, 606739, 693416, 866770, 1040124, 1213478, 1300155, 1733540, 1820217, 2080248, 2426956, 2600310, 3033695, 3467080, 3640434, 4853912, 5200620, 6067390, 7280868, 9101085, 10401240, 12134780, 14561736, 18202170, 24269560, 36404340, 72808680]

約数ペア:

[(1, 72808680), (2, 36404340), (3, 24269560), (4, 18202170), (5, 14561736), (6, 12134780), (7, 10401240), (8, 9101085), (10, 7280868), (12, 6067390), (14, 5200620), (15, 4853912), (20, 3640434), (21, 3467080), (24, 3033695), (28, 2600310), (30, 2426956), (35, 2080248), (40, 1820217), (42, 1733540), (56, 1300155), (60, 1213478), (70, 1040124), (84, 866770), (105, 693416), (120, 606739), (140, 520062), (168, 433385), (210, 346708), (280, 260031), (420, 173354), (840, 86677)]