15280180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 34272000

約数和(自身を除く): 18991820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 79, 95, 158, 190, 316, 380, 395, 509, 790, 1018, 1501, 1580, 2036, 2545, 3002, 5090, 6004, 7505, 9671, 10180, 15010, 19342, 30020, 38684, 40211, 48355, 80422, 96710, 160844, 193420, 201055, 402110, 764009, 804220, 1528018, 3056036, 3820045, 7640090, 15280180]

約数ペア:

[(1, 15280180), (2, 7640090), (4, 3820045), (5, 3056036), (10, 1528018), (19, 804220), (20, 764009), (38, 402110), (76, 201055), (79, 193420), (95, 160844), (158, 96710), (190, 80422), (316, 48355), (380, 40211), (395, 38684), (509, 30020), (790, 19342), (1018, 15010), (1501, 10180), (1580, 9671), (2036, 7505), (2545, 6004), (3002, 5090)]