81717888

素因数分解:

$2^7\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 260932320

約数和(自身を除く): 179214432

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 43, 48, 49, 56, 64, 84, 86, 96, 98, 101, 112, 128, 129, 147, 168, 172, 192, 196, 202, 224, 258, 294, 301, 303, 336, 344, 384, 392, 404, 448, 516, 588, 602, 606, 672, 688, 707, 784, 808, 896, 903, 1032, 1176, 1204, 1212, 1344, 1376, 1414, 1568, 1616, 1806, 2064, 2107, 2121, 2352, 2408, 2424, 2688, 2752, 2828, 3136, 3232, 3612, 4128, 4214, 4242, 4343, 4704, 4816, 4848, 4949, 5504, 5656, 6272, 6321, 6464, 7224, 8256, 8428, 8484, 8686, 9408, 9632, 9696, 9898, 11312, 12642, 12928, 13029, 14448, 14847, 16512, 16856, 16968, 17372, 18816, 19264, 19392, 19796, 22624, 25284, 26058, 28896, 29694, 30401, 33712, 33936, 34744, 38528, 38784, 39592, 45248, 50568, 52116, 57792, 59388, 60802, 67424, 67872, 69488, 79184, 90496, 91203, 101136, 104232, 115584, 118776, 121604, 134848, 135744, 138976, 158368, 182406, 202272, 208464, 212807, 237552, 243208, 269696, 271488, 277952, 316736, 364812, 404544, 416928, 425614, 475104, 486416, 555904, 633472, 638421, 729624, 809088, 833856, 851228, 950208, 972832, 1276842, 1459248, 1667712, 1702456, 1900416, 1945664, 2553684, 2918496, 3404912, 3891328, 5107368, 5836992, 6809824, 10214736, 11673984, 13619648, 20429472, 27239296, 40858944, 81717888]

約数ペア:

[(1, 81717888), (2, 40858944), (3, 27239296), (4, 20429472), (6, 13619648), (7, 11673984), (8, 10214736), (12, 6809824), (14, 5836992), (16, 5107368), (21, 3891328), (24, 3404912), (28, 2918496), (32, 2553684), (42, 1945664), (43, 1900416), (48, 1702456), (49, 1667712), (56, 1459248), (64, 1276842), (84, 972832), (86, 950208), (96, 851228), (98, 833856), (101, 809088), (112, 729624), (128, 638421), (129, 633472), (147, 555904), (168, 486416), (172, 475104), (192, 425614), (196, 416928), (202, 404544), (224, 364812), (258, 316736), (294, 277952), (301, 271488), (303, 269696), (336, 243208), (344, 237552), (384, 212807), (392, 208464), (404, 202272), (448, 182406), (516, 158368), (588, 138976), (602, 135744), (606, 134848), (672, 121604), (688, 118776), (707, 115584), (784, 104232), (808, 101136), (896, 91203), (903, 90496), (1032, 79184), (1176, 69488), (1204, 67872), (1212, 67424), (1344, 60802), (1376, 59388), (1414, 57792), (1568, 52116), (1616, 50568), (1806, 45248), (2064, 39592), (2107, 38784), (2121, 38528), (2352, 34744), (2408, 33936), (2424, 33712), (2688, 30401), (2752, 29694), (2828, 28896), (3136, 26058), (3232, 25284), (3612, 22624), (4128, 19796), (4214, 19392), (4242, 19264), (4343, 18816), (4704, 17372), (4816, 16968), (4848, 16856), (4949, 16512), (5504, 14847), (5656, 14448), (6272, 13029), (6321, 12928), (6464, 12642), (7224, 11312), (8256, 9898), (8428, 9696), (8484, 9632), (8686, 9408)]