15581664980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{194917}}^1$

素因数の和:195504

約数の個数: 48

約数和(自身を含む): 37461680256

約数和(自身を除く): 21880015276

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 571, 1142, 2284, 2855, 3997, 5710, 7994, 11420, 15988, 19985, 39970, 79940, 194917, 389834, 779668, 974585, 1364419, 1949170, 2728838, 3898340, 5457676, 6822095, 13644190, 27288380, 111297607, 222595214, 445190428, 556488035, 779083249, 1112976070, 1558166498, 2225952140, 3116332996, 3895416245, 7790832490, 15581664980]

約数ペア:

[(1, 15581664980), (2, 7790832490), (4, 3895416245), (5, 3116332996), (7, 2225952140), (10, 1558166498), (14, 1112976070), (20, 779083249), (28, 556488035), (35, 445190428), (70, 222595214), (140, 111297607), (571, 27288380), (1142, 13644190), (2284, 6822095), (2855, 5457676), (3997, 3898340), (5710, 2728838), (7994, 1949170), (11420, 1364419), (15988, 974585), (19985, 779668), (39970, 389834), (79940, 194917)]