66977680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 197987328

約数和(自身を除く): 131009648

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 83, 88, 110, 112, 131, 140, 154, 166, 176, 220, 262, 280, 308, 332, 385, 415, 440, 524, 560, 581, 616, 655, 664, 770, 830, 880, 913, 917, 1048, 1162, 1232, 1310, 1328, 1441, 1540, 1660, 1826, 1834, 2096, 2324, 2620, 2882, 2905, 3080, 3320, 3652, 3668, 4565, 4585, 4648, 5240, 5764, 5810, 6160, 6391, 6640, 7205, 7304, 7336, 9130, 9170, 9296, 10087, 10480, 10873, 11528, 11620, 12782, 14410, 14608, 14672, 18260, 18340, 20174, 21746, 23056, 23240, 25564, 28820, 31955, 36520, 36680, 40348, 43492, 46480, 50435, 51128, 54365, 57640, 63910, 73040, 73360, 76111, 80696, 86984, 100870, 102256, 108730, 115280, 119603, 127820, 152222, 161392, 173968, 201740, 217460, 239206, 255640, 304444, 380555, 403480, 434920, 478412, 511280, 598015, 608888, 761110, 806960, 837221, 869840, 956824, 1196030, 1217776, 1522220, 1674442, 1913648, 2392060, 3044440, 3348884, 4186105, 4784120, 6088880, 6697768, 8372210, 9568240, 13395536, 16744420, 33488840, 66977680]

約数ペア:

[(1, 66977680), (2, 33488840), (4, 16744420), (5, 13395536), (7, 9568240), (8, 8372210), (10, 6697768), (11, 6088880), (14, 4784120), (16, 4186105), (20, 3348884), (22, 3044440), (28, 2392060), (35, 1913648), (40, 1674442), (44, 1522220), (55, 1217776), (56, 1196030), (70, 956824), (77, 869840), (80, 837221), (83, 806960), (88, 761110), (110, 608888), (112, 598015), (131, 511280), (140, 478412), (154, 434920), (166, 403480), (176, 380555), (220, 304444), (262, 255640), (280, 239206), (308, 217460), (332, 201740), (385, 173968), (415, 161392), (440, 152222), (524, 127820), (560, 119603), (581, 115280), (616, 108730), (655, 102256), (664, 100870), (770, 86984), (830, 80696), (880, 76111), (913, 73360), (917, 73040), (1048, 63910), (1162, 57640), (1232, 54365), (1310, 51128), (1328, 50435), (1441, 46480), (1540, 43492), (1660, 40348), (1826, 36680), (1834, 36520), (2096, 31955), (2324, 28820), (2620, 25564), (2882, 23240), (2905, 23056), (3080, 21746), (3320, 20174), (3652, 18340), (3668, 18260), (4565, 14672), (4585, 14608), (4648, 14410), (5240, 12782), (5764, 11620), (5810, 11528), (6160, 10873), (6391, 10480), (6640, 10087), (7205, 9296), (7304, 9170), (7336, 9130)]