280077960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^2\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 96

約数和(自身を含む): 854075520

約数和(自身を除く): 573997560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 463, 568, 710, 852, 926, 1065, 1389, 1420, 1704, 1852, 2130, 2315, 2778, 2840, 3704, 4260, 4630, 5041, 5556, 6945, 8520, 9260, 10082, 11112, 13890, 15123, 18520, 20164, 25205, 27780, 30246, 32873, 40328, 50410, 55560, 60492, 65746, 75615, 98619, 100820, 120984, 131492, 151230, 164365, 197238, 201640, 262984, 302460, 328730, 394476, 493095, 604920, 657460, 788952, 986190, 1314920, 1972380, 2333983, 3944760, 4667966, 7001949, 9335932, 11669915, 14003898, 18671864, 23339830, 28007796, 35009745, 46679660, 56015592, 70019490, 93359320, 140038980, 280077960]

約数ペア:

[(1, 280077960), (2, 140038980), (3, 93359320), (4, 70019490), (5, 56015592), (6, 46679660), (8, 35009745), (10, 28007796), (12, 23339830), (15, 18671864), (20, 14003898), (24, 11669915), (30, 9335932), (40, 7001949), (60, 4667966), (71, 3944760), (120, 2333983), (142, 1972380), (213, 1314920), (284, 986190), (355, 788952), (426, 657460), (463, 604920), (568, 493095), (710, 394476), (852, 328730), (926, 302460), (1065, 262984), (1389, 201640), (1420, 197238), (1704, 164365), (1852, 151230), (2130, 131492), (2315, 120984), (2778, 100820), (2840, 98619), (3704, 75615), (4260, 65746), (4630, 60492), (5041, 55560), (5556, 50410), (6945, 40328), (8520, 32873), (9260, 30246), (10082, 27780), (11112, 25205), (13890, 20164), (15123, 18520)]