80258080

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{353}}^1$

素因数の和:411

約数の個数: 144

約数和(自身を含む): 228818520

約数和(自身を除く): 148560440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 160, 196, 203, 224, 232, 245, 280, 290, 353, 392, 406, 464, 490, 560, 580, 706, 784, 812, 928, 980, 1015, 1120, 1160, 1412, 1421, 1568, 1624, 1765, 1960, 2030, 2320, 2471, 2824, 2842, 3248, 3530, 3920, 4060, 4640, 4942, 5648, 5684, 6496, 7060, 7105, 7840, 8120, 9884, 10237, 11296, 11368, 12355, 14120, 14210, 16240, 17297, 19768, 20474, 22736, 24710, 28240, 28420, 32480, 34594, 39536, 40948, 45472, 49420, 51185, 56480, 56840, 69188, 71659, 79072, 81896, 86485, 98840, 102370, 113680, 138376, 143318, 163792, 172970, 197680, 204740, 227360, 276752, 286636, 327584, 345940, 358295, 395360, 409480, 501613, 553504, 573272, 691880, 716590, 818960, 1003226, 1146544, 1383760, 1433180, 1637920, 2006452, 2293088, 2508065, 2767520, 2866360, 4012904, 5016130, 5732720, 8025808, 10032260, 11465440, 16051616, 20064520, 40129040, 80258080]

約数ペア:

[(1, 80258080), (2, 40129040), (4, 20064520), (5, 16051616), (7, 11465440), (8, 10032260), (10, 8025808), (14, 5732720), (16, 5016130), (20, 4012904), (28, 2866360), (29, 2767520), (32, 2508065), (35, 2293088), (40, 2006452), (49, 1637920), (56, 1433180), (58, 1383760), (70, 1146544), (80, 1003226), (98, 818960), (112, 716590), (116, 691880), (140, 573272), (145, 553504), (160, 501613), (196, 409480), (203, 395360), (224, 358295), (232, 345940), (245, 327584), (280, 286636), (290, 276752), (353, 227360), (392, 204740), (406, 197680), (464, 172970), (490, 163792), (560, 143318), (580, 138376), (706, 113680), (784, 102370), (812, 98840), (928, 86485), (980, 81896), (1015, 79072), (1120, 71659), (1160, 69188), (1412, 56840), (1421, 56480), (1568, 51185), (1624, 49420), (1765, 45472), (1960, 40948), (2030, 39536), (2320, 34594), (2471, 32480), (2824, 28420), (2842, 28240), (3248, 24710), (3530, 22736), (3920, 20474), (4060, 19768), (4640, 17297), (4942, 16240), (5648, 14210), (5684, 14120), (6496, 12355), (7060, 11368), (7105, 11296), (7840, 10237), (8120, 9884)]