81523872

素因数分解:

$2^5\times 3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1$

素因数の和:315

約数の個数: 144

約数和(自身を含む): 246486240

約数和(自身を除く): 164962368

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 29, 32, 36, 43, 48, 58, 72, 86, 87, 96, 116, 129, 144, 172, 174, 227, 232, 258, 261, 288, 344, 348, 387, 454, 464, 516, 522, 681, 688, 696, 774, 908, 928, 1032, 1044, 1247, 1362, 1376, 1392, 1548, 1816, 2043, 2064, 2088, 2494, 2724, 2784, 3096, 3632, 3741, 4086, 4128, 4176, 4988, 5448, 6192, 6583, 7264, 7482, 8172, 8352, 9761, 9976, 10896, 11223, 12384, 13166, 14964, 16344, 19522, 19749, 19952, 21792, 22446, 26332, 29283, 29928, 32688, 39044, 39498, 39904, 44892, 52664, 58566, 59247, 59856, 65376, 78088, 78996, 87849, 89784, 105328, 117132, 118494, 119712, 156176, 157992, 175698, 179568, 210656, 234264, 236988, 283069, 312352, 315984, 351396, 359136, 468528, 473976, 566138, 631968, 702792, 849207, 937056, 947952, 1132276, 1405584, 1698414, 1895904, 2264552, 2547621, 2811168, 3396828, 4529104, 5095242, 6793656, 9058208, 10190484, 13587312, 20380968, 27174624, 40761936, 81523872]

約数ペア:

[(1, 81523872), (2, 40761936), (3, 27174624), (4, 20380968), (6, 13587312), (8, 10190484), (9, 9058208), (12, 6793656), (16, 5095242), (18, 4529104), (24, 3396828), (29, 2811168), (32, 2547621), (36, 2264552), (43, 1895904), (48, 1698414), (58, 1405584), (72, 1132276), (86, 947952), (87, 937056), (96, 849207), (116, 702792), (129, 631968), (144, 566138), (172, 473976), (174, 468528), (227, 359136), (232, 351396), (258, 315984), (261, 312352), (288, 283069), (344, 236988), (348, 234264), (387, 210656), (454, 179568), (464, 175698), (516, 157992), (522, 156176), (681, 119712), (688, 118494), (696, 117132), (774, 105328), (908, 89784), (928, 87849), (1032, 78996), (1044, 78088), (1247, 65376), (1362, 59856), (1376, 59247), (1392, 58566), (1548, 52664), (1816, 44892), (2043, 39904), (2064, 39498), (2088, 39044), (2494, 32688), (2724, 29928), (2784, 29283), (3096, 26332), (3632, 22446), (3741, 21792), (4086, 19952), (4128, 19749), (4176, 19522), (4988, 16344), (5448, 14964), (6192, 13166), (6583, 12384), (7264, 11223), (7482, 10896), (8172, 9976), (8352, 9761)]