1578348540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{203921}}^1$

素因数の和:203979

約数の個数: 72

約数和(自身を含む): 4899022128

約数和(自身を除く): 3320673588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 203921, 407842, 611763, 815684, 1019605, 1223526, 1835289, 2039210, 2447052, 3058815, 3670578, 4078420, 6117630, 7341156, 8768603, 9176445, 12235260, 17537206, 18352890, 26305809, 35074412, 36705780, 43843015, 52611618, 78917427, 87686030, 105223236, 131529045, 157834854, 175372060, 263058090, 315669708, 394587135, 526116180, 789174270, 1578348540]

約数ペア:

[(1, 1578348540), (2, 789174270), (3, 526116180), (4, 394587135), (5, 315669708), (6, 263058090), (9, 175372060), (10, 157834854), (12, 131529045), (15, 105223236), (18, 87686030), (20, 78917427), (30, 52611618), (36, 43843015), (43, 36705780), (45, 35074412), (60, 26305809), (86, 18352890), (90, 17537206), (129, 12235260), (172, 9176445), (180, 8768603), (215, 7341156), (258, 6117630), (387, 4078420), (430, 3670578), (516, 3058815), (645, 2447052), (774, 2039210), (860, 1835289), (1290, 1223526), (1548, 1019605), (1935, 815684), (2580, 611763), (3870, 407842), (7740, 203921)]