64820960

素因数分解:

$2^5\times 5^1\times {\mathrm{149}}^1\times {\mathrm{2719}}^1$

素因数の和:2883

約数の個数: 48

約数和(自身を含む): 154224000

約数和(自身を除く): 89403040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 149, 160, 298, 596, 745, 1192, 1490, 2384, 2719, 2980, 4768, 5438, 5960, 10876, 11920, 13595, 21752, 23840, 27190, 43504, 54380, 87008, 108760, 217520, 405131, 435040, 810262, 1620524, 2025655, 3241048, 4051310, 6482096, 8102620, 12964192, 16205240, 32410480, 64820960]

約数ペア:

[(1, 64820960), (2, 32410480), (4, 16205240), (5, 12964192), (8, 8102620), (10, 6482096), (16, 4051310), (20, 3241048), (32, 2025655), (40, 1620524), (80, 810262), (149, 435040), (160, 405131), (298, 217520), (596, 108760), (745, 87008), (1192, 54380), (1490, 43504), (2384, 27190), (2719, 23840), (2980, 21752), (4768, 13595), (5438, 11920), (5960, 10876)]