788281280

素因数分解:

$2^6\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{1609}}^1$

素因数の和:3157

約数の個数: 56

約数和(自身を含む): 1879488240

約数和(自身を除く): 1091206960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1531, 1609, 3062, 3218, 6124, 6436, 7655, 8045, 12248, 12872, 15310, 16090, 24496, 25744, 30620, 32180, 48992, 51488, 61240, 64360, 97984, 102976, 122480, 128720, 244960, 257440, 489920, 514880, 2463379, 4926758, 9853516, 12316895, 19707032, 24633790, 39414064, 49267580, 78828128, 98535160, 157656256, 197070320, 394140640, 788281280]

約数ペア:

[(1, 788281280), (2, 394140640), (4, 197070320), (5, 157656256), (8, 98535160), (10, 78828128), (16, 49267580), (20, 39414064), (32, 24633790), (40, 19707032), (64, 12316895), (80, 9853516), (160, 4926758), (320, 2463379), (1531, 514880), (1609, 489920), (3062, 257440), (3218, 244960), (6124, 128720), (6436, 122480), (7655, 102976), (8045, 97984), (12248, 64360), (12872, 61240), (15310, 51488), (16090, 48992), (24496, 32180), (25744, 30620)]