72480640

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1039}}^1$

素因数の和:1167

約数の個数: 64

約数和(自身を含む): 175032000

約数和(自身を除く): 102551360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 436, 545, 640, 872, 1039, 1090, 1744, 2078, 2180, 3488, 4156, 4360, 5195, 6976, 8312, 8720, 10390, 13952, 16624, 17440, 20780, 33248, 34880, 41560, 66496, 69760, 83120, 113251, 132992, 166240, 226502, 332480, 453004, 566255, 664960, 906008, 1132510, 1812016, 2265020, 3624032, 4530040, 7248064, 9060080, 14496128, 18120160, 36240320, 72480640]

約数ペア:

[(1, 72480640), (2, 36240320), (4, 18120160), (5, 14496128), (8, 9060080), (10, 7248064), (16, 4530040), (20, 3624032), (32, 2265020), (40, 1812016), (64, 1132510), (80, 906008), (109, 664960), (128, 566255), (160, 453004), (218, 332480), (320, 226502), (436, 166240), (545, 132992), (640, 113251), (872, 83120), (1039, 69760), (1090, 66496), (1744, 41560), (2078, 34880), (2180, 33248), (3488, 20780), (4156, 17440), (4360, 16624), (5195, 13952), (6976, 10390), (8312, 8720)]