15470780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 35303520

約数和(自身を除く): 19832740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 157, 260, 314, 379, 628, 758, 785, 1516, 1570, 1895, 2041, 3140, 3790, 4082, 4927, 7580, 8164, 9854, 10205, 19708, 20410, 24635, 40820, 49270, 59503, 98540, 119006, 238012, 297515, 595030, 773539, 1190060, 1547078, 3094156, 3867695, 7735390, 15470780]

約数ペア:

[(1, 15470780), (2, 7735390), (4, 3867695), (5, 3094156), (10, 1547078), (13, 1190060), (20, 773539), (26, 595030), (52, 297515), (65, 238012), (130, 119006), (157, 98540), (260, 59503), (314, 49270), (379, 40820), (628, 24635), (758, 20410), (785, 19708), (1516, 10205), (1570, 9854), (1895, 8164), (2041, 7580), (3140, 4927), (3790, 4082)]