61883120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{379}}^1$

素因数の和:562

約数の個数: 80

約数和(自身を含む): 156344160

約数和(自身を除く): 94461040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 157, 208, 260, 314, 379, 520, 628, 758, 785, 1040, 1256, 1516, 1570, 1895, 2041, 2512, 3032, 3140, 3790, 4082, 4927, 6064, 6280, 7580, 8164, 9854, 10205, 12560, 15160, 16328, 19708, 20410, 24635, 30320, 32656, 39416, 40820, 49270, 59503, 78832, 81640, 98540, 119006, 163280, 197080, 238012, 297515, 394160, 476024, 595030, 773539, 952048, 1190060, 1547078, 2380120, 3094156, 3867695, 4760240, 6188312, 7735390, 12376624, 15470780, 30941560, 61883120]

約数ペア:

[(1, 61883120), (2, 30941560), (4, 15470780), (5, 12376624), (8, 7735390), (10, 6188312), (13, 4760240), (16, 3867695), (20, 3094156), (26, 2380120), (40, 1547078), (52, 1190060), (65, 952048), (80, 773539), (104, 595030), (130, 476024), (157, 394160), (208, 297515), (260, 238012), (314, 197080), (379, 163280), (520, 119006), (628, 98540), (758, 81640), (785, 78832), (1040, 59503), (1256, 49270), (1516, 40820), (1570, 39416), (1895, 32656), (2041, 30320), (2512, 24635), (3032, 20410), (3140, 19708), (3790, 16328), (4082, 15160), (4927, 12560), (6064, 10205), (6280, 9854), (7580, 8164)]