16127720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:498

約数の個数: 64

約数和(自身を含む): 41817600

約数和(自身を除く): 25689880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 241, 280, 478, 482, 956, 964, 1195, 1205, 1673, 1687, 1912, 1928, 2390, 2410, 3346, 3374, 4780, 4820, 6692, 6748, 8365, 8435, 9560, 9640, 13384, 13496, 16730, 16870, 33460, 33740, 57599, 66920, 67480, 115198, 230396, 287995, 403193, 460792, 575990, 806386, 1151980, 1612772, 2015965, 2303960, 3225544, 4031930, 8063860, 16127720]

約数ペア:

[(1, 16127720), (2, 8063860), (4, 4031930), (5, 3225544), (7, 2303960), (8, 2015965), (10, 1612772), (14, 1151980), (20, 806386), (28, 575990), (35, 460792), (40, 403193), (56, 287995), (70, 230396), (140, 115198), (239, 67480), (241, 66920), (280, 57599), (478, 33740), (482, 33460), (956, 16870), (964, 16730), (1195, 13496), (1205, 13384), (1673, 9640), (1687, 9560), (1912, 8435), (1928, 8365), (2390, 6748), (2410, 6692), (3346, 4820), (3374, 4780)]