81403872

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:672

約数の個数: 96

約数和(自身を含む): 235073664

約数和(自身を除く): 153669792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 157, 176, 264, 314, 352, 471, 491, 528, 628, 942, 982, 1056, 1256, 1473, 1727, 1884, 1964, 2512, 2946, 3454, 3768, 3928, 5024, 5181, 5401, 5892, 6908, 7536, 7856, 10362, 10802, 11784, 13816, 15072, 15712, 16203, 20724, 21604, 23568, 27632, 32406, 41448, 43208, 47136, 55264, 64812, 77087, 82896, 86416, 129624, 154174, 165792, 172832, 231261, 259248, 308348, 462522, 518496, 616696, 847957, 925044, 1233392, 1695914, 1850088, 2466784, 2543871, 3391828, 3700176, 5087742, 6783656, 7400352, 10175484, 13567312, 20350968, 27134624, 40701936, 81403872]

約数ペア:

[(1, 81403872), (2, 40701936), (3, 27134624), (4, 20350968), (6, 13567312), (8, 10175484), (11, 7400352), (12, 6783656), (16, 5087742), (22, 3700176), (24, 3391828), (32, 2543871), (33, 2466784), (44, 1850088), (48, 1695914), (66, 1233392), (88, 925044), (96, 847957), (132, 616696), (157, 518496), (176, 462522), (264, 308348), (314, 259248), (352, 231261), (471, 172832), (491, 165792), (528, 154174), (628, 129624), (942, 86416), (982, 82896), (1056, 77087), (1256, 64812), (1473, 55264), (1727, 47136), (1884, 43208), (1964, 41448), (2512, 32406), (2946, 27632), (3454, 23568), (3768, 21604), (3928, 20724), (5024, 16203), (5181, 15712), (5401, 15072), (5892, 13816), (6908, 11784), (7536, 10802), (7856, 10362)]