90128080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{709}}^1$

素因数の和:956

約数の個数: 80

約数和(自身を含む): 240877440

約数和(自身を除く): 150749360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 227, 280, 454, 560, 709, 908, 1135, 1418, 1589, 1816, 2270, 2836, 3178, 3545, 3632, 4540, 4963, 5672, 6356, 7090, 7945, 9080, 9926, 11344, 12712, 14180, 15890, 18160, 19852, 24815, 25424, 28360, 31780, 39704, 49630, 56720, 63560, 79408, 99260, 127120, 160943, 198520, 321886, 397040, 643772, 804715, 1126601, 1287544, 1609430, 2253202, 2575088, 3218860, 4506404, 5633005, 6437720, 9012808, 11266010, 12875440, 18025616, 22532020, 45064040, 90128080]

約数ペア:

[(1, 90128080), (2, 45064040), (4, 22532020), (5, 18025616), (7, 12875440), (8, 11266010), (10, 9012808), (14, 6437720), (16, 5633005), (20, 4506404), (28, 3218860), (35, 2575088), (40, 2253202), (56, 1609430), (70, 1287544), (80, 1126601), (112, 804715), (140, 643772), (227, 397040), (280, 321886), (454, 198520), (560, 160943), (709, 127120), (908, 99260), (1135, 79408), (1418, 63560), (1589, 56720), (1816, 49630), (2270, 39704), (2836, 31780), (3178, 28360), (3545, 25424), (3632, 24815), (4540, 19852), (4963, 18160), (5672, 15890), (6356, 14180), (7090, 12712), (7945, 11344), (9080, 9926)]