78210680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{353}}^1$

素因数の和:584

約数の個数: 64

約数和(自身を含む): 183513600

約数和(自身を除く): 105302920

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 191, 232, 290, 353, 382, 580, 706, 764, 955, 1160, 1412, 1528, 1765, 1910, 2824, 3530, 3820, 5539, 7060, 7640, 10237, 11078, 14120, 20474, 22156, 27695, 40948, 44312, 51185, 55390, 67423, 81896, 102370, 110780, 134846, 204740, 221560, 269692, 337115, 409480, 539384, 674230, 1348460, 1955267, 2696920, 3910534, 7821068, 9776335, 15642136, 19552670, 39105340, 78210680]

約数ペア:

[(1, 78210680), (2, 39105340), (4, 19552670), (5, 15642136), (8, 9776335), (10, 7821068), (20, 3910534), (29, 2696920), (40, 1955267), (58, 1348460), (116, 674230), (145, 539384), (191, 409480), (232, 337115), (290, 269692), (353, 221560), (382, 204740), (580, 134846), (706, 110780), (764, 102370), (955, 81896), (1160, 67423), (1412, 55390), (1528, 51185), (1765, 44312), (1910, 40948), (2824, 27695), (3530, 22156), (3820, 20474), (5539, 14120), (7060, 11078), (7640, 10237)]