79847720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:642

約数の個数: 64

約数和(自身を含む): 188784000

約数和(自身を除く): 108936280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 229, 230, 379, 458, 460, 758, 916, 920, 1145, 1516, 1832, 1895, 2290, 3032, 3790, 4580, 5267, 7580, 8717, 9160, 10534, 15160, 17434, 21068, 26335, 34868, 42136, 43585, 52670, 69736, 86791, 87170, 105340, 173582, 174340, 210680, 347164, 348680, 433955, 694328, 867910, 1735820, 1996193, 3471640, 3992386, 7984772, 9980965, 15969544, 19961930, 39923860, 79847720]

約数ペア:

[(1, 79847720), (2, 39923860), (4, 19961930), (5, 15969544), (8, 9980965), (10, 7984772), (20, 3992386), (23, 3471640), (40, 1996193), (46, 1735820), (92, 867910), (115, 694328), (184, 433955), (229, 348680), (230, 347164), (379, 210680), (458, 174340), (460, 173582), (758, 105340), (916, 87170), (920, 86791), (1145, 69736), (1516, 52670), (1832, 43585), (1895, 42136), (2290, 34868), (3032, 26335), (3790, 21068), (4580, 17434), (5267, 15160), (7580, 10534), (8717, 9160)]