6457720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{293}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 15876000

約数和(自身を除く): 9418280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 29, 38, 40, 58, 76, 95, 116, 145, 152, 190, 232, 290, 293, 380, 551, 580, 586, 760, 1102, 1160, 1172, 1465, 2204, 2344, 2755, 2930, 4408, 5510, 5567, 5860, 8497, 11020, 11134, 11720, 16994, 22040, 22268, 27835, 33988, 42485, 44536, 55670, 67976, 84970, 111340, 161443, 169940, 222680, 322886, 339880, 645772, 807215, 1291544, 1614430, 3228860, 6457720]

約数ペア:

[(1, 6457720), (2, 3228860), (4, 1614430), (5, 1291544), (8, 807215), (10, 645772), (19, 339880), (20, 322886), (29, 222680), (38, 169940), (40, 161443), (58, 111340), (76, 84970), (95, 67976), (116, 55670), (145, 44536), (152, 42485), (190, 33988), (232, 27835), (290, 22268), (293, 22040), (380, 16994), (551, 11720), (580, 11134), (586, 11020), (760, 8497), (1102, 5860), (1160, 5567), (1172, 5510), (1465, 4408), (2204, 2930), (2344, 2755)]