81851328

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:691

約数の個数: 168

約数和(自身を含む): 267937488

約数和(自身を除く): 186086160

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 17, 18, 24, 26, 32, 34, 36, 39, 48, 51, 52, 64, 68, 72, 78, 96, 102, 104, 117, 136, 144, 153, 156, 192, 204, 208, 221, 234, 272, 288, 306, 312, 408, 416, 442, 468, 544, 576, 612, 624, 643, 663, 816, 832, 884, 936, 1088, 1224, 1248, 1286, 1326, 1632, 1768, 1872, 1929, 1989, 2448, 2496, 2572, 2652, 3264, 3536, 3744, 3858, 3978, 4896, 5144, 5304, 5787, 7072, 7488, 7716, 7956, 8359, 9792, 10288, 10608, 10931, 11574, 14144, 15432, 15912, 16718, 20576, 21216, 21862, 23148, 25077, 30864, 31824, 32793, 33436, 41152, 42432, 43724, 46296, 50154, 61728, 63648, 65586, 66872, 75231, 87448, 92592, 98379, 100308, 123456, 127296, 131172, 133744, 142103, 150462, 174896, 185184, 196758, 200616, 262344, 267488, 284206, 300924, 349792, 370368, 393516, 401232, 426309, 524688, 534976, 568412, 601848, 699584, 787032, 802464, 852618, 1049376, 1136824, 1203696, 1278927, 1574064, 1604928, 1705236, 2098752, 2273648, 2407392, 2557854, 3148128, 3410472, 4547296, 4814784, 5115708, 6296256, 6820944, 9094592, 10231416, 13641888, 20462832, 27283776, 40925664, 81851328]

約数ペア:

[(1, 81851328), (2, 40925664), (3, 27283776), (4, 20462832), (6, 13641888), (8, 10231416), (9, 9094592), (12, 6820944), (13, 6296256), (16, 5115708), (17, 4814784), (18, 4547296), (24, 3410472), (26, 3148128), (32, 2557854), (34, 2407392), (36, 2273648), (39, 2098752), (48, 1705236), (51, 1604928), (52, 1574064), (64, 1278927), (68, 1203696), (72, 1136824), (78, 1049376), (96, 852618), (102, 802464), (104, 787032), (117, 699584), (136, 601848), (144, 568412), (153, 534976), (156, 524688), (192, 426309), (204, 401232), (208, 393516), (221, 370368), (234, 349792), (272, 300924), (288, 284206), (306, 267488), (312, 262344), (408, 200616), (416, 196758), (442, 185184), (468, 174896), (544, 150462), (576, 142103), (612, 133744), (624, 131172), (643, 127296), (663, 123456), (816, 100308), (832, 98379), (884, 92592), (936, 87448), (1088, 75231), (1224, 66872), (1248, 65586), (1286, 63648), (1326, 61728), (1632, 50154), (1768, 46296), (1872, 43724), (1929, 42432), (1989, 41152), (2448, 33436), (2496, 32793), (2572, 31824), (2652, 30864), (3264, 25077), (3536, 23148), (3744, 21862), (3858, 21216), (3978, 20576), (4896, 16718), (5144, 15912), (5304, 15432), (5787, 14144), (7072, 11574), (7488, 10931), (7716, 10608), (7956, 10288), (8359, 9792)]