7952880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2578

約数の個数: 80

約数和(自身を含む): 26560800

約数和(自身を除く): 18607920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 2549, 3120, 5098, 7647, 10196, 12745, 15294, 20392, 25490, 30588, 33137, 38235, 40784, 50980, 61176, 66274, 76470, 99411, 101960, 122352, 132548, 152940, 165685, 198822, 203920, 265096, 305880, 331370, 397644, 497055, 530192, 611760, 662740, 795288, 994110, 1325480, 1590576, 1988220, 2650960, 3976440, 7952880]

約数ペア:

[(1, 7952880), (2, 3976440), (3, 2650960), (4, 1988220), (5, 1590576), (6, 1325480), (8, 994110), (10, 795288), (12, 662740), (13, 611760), (15, 530192), (16, 497055), (20, 397644), (24, 331370), (26, 305880), (30, 265096), (39, 203920), (40, 198822), (48, 165685), (52, 152940), (60, 132548), (65, 122352), (78, 101960), (80, 99411), (104, 76470), (120, 66274), (130, 61176), (156, 50980), (195, 40784), (208, 38235), (240, 33137), (260, 30588), (312, 25490), (390, 20392), (520, 15294), (624, 12745), (780, 10196), (1040, 7647), (1560, 5098), (2549, 3120)]