80281380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16937}}^1$

素因数の和:17028

約数の個数: 48

約数和(自身を含む): 227646720

約数和(自身を除く): 147365340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4740, 16937, 33874, 50811, 67748, 84685, 101622, 169370, 203244, 254055, 338740, 508110, 1016220, 1338023, 2676046, 4014069, 5352092, 6690115, 8028138, 13380230, 16056276, 20070345, 26760460, 40140690, 80281380]

約数ペア:

[(1, 80281380), (2, 40140690), (3, 26760460), (4, 20070345), (5, 16056276), (6, 13380230), (10, 8028138), (12, 6690115), (15, 5352092), (20, 4014069), (30, 2676046), (60, 1338023), (79, 1016220), (158, 508110), (237, 338740), (316, 254055), (395, 203244), (474, 169370), (790, 101622), (948, 84685), (1185, 67748), (1580, 50811), (2370, 33874), (4740, 16937)]