80720388

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{35591}}^1$

素因数の和:35614

約数の個数: 60

約数和(自身を含む): 241171392

約数和(自身を除く): 160451004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 35591, 71182, 106773, 142364, 213546, 249137, 320319, 427092, 498274, 640638, 747411, 960957, 996548, 1281276, 1494822, 1921914, 2242233, 2882871, 2989644, 3843828, 4484466, 5765742, 6726699, 8968932, 11531484, 13453398, 20180097, 26906796, 40360194, 80720388]

約数ペア:

[(1, 80720388), (2, 40360194), (3, 26906796), (4, 20180097), (6, 13453398), (7, 11531484), (9, 8968932), (12, 6726699), (14, 5765742), (18, 4484466), (21, 3843828), (27, 2989644), (28, 2882871), (36, 2242233), (42, 1921914), (54, 1494822), (63, 1281276), (81, 996548), (84, 960957), (108, 747411), (126, 640638), (162, 498274), (189, 427092), (252, 320319), (324, 249137), (378, 213546), (567, 142364), (756, 106773), (1134, 71182), (2268, 35591)]