81731376

素因数分解:

$2^4\times 3^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 160

約数和(自身を含む): 257126400

約数和(自身を除く): 175395024

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 27, 31, 34, 36, 48, 51, 54, 62, 68, 72, 93, 102, 108, 124, 136, 144, 153, 186, 204, 216, 248, 272, 279, 306, 359, 372, 408, 432, 459, 496, 527, 558, 612, 718, 744, 816, 837, 918, 1054, 1077, 1116, 1224, 1436, 1488, 1581, 1674, 1836, 2108, 2154, 2232, 2448, 2872, 3162, 3231, 3348, 3672, 4216, 4308, 4464, 4743, 5744, 6103, 6324, 6462, 6696, 7344, 8432, 8616, 9486, 9693, 11129, 12206, 12648, 12924, 13392, 14229, 17232, 18309, 18972, 19386, 22258, 24412, 25296, 25848, 28458, 33387, 36618, 37944, 38772, 44516, 48824, 51696, 54927, 56916, 66774, 73236, 75888, 77544, 89032, 97648, 100161, 109854, 113832, 133548, 146472, 155088, 164781, 178064, 189193, 200322, 219708, 227664, 267096, 292944, 300483, 329562, 378386, 400644, 439416, 534192, 567579, 600966, 659124, 756772, 801288, 878832, 1135158, 1201932, 1318248, 1513544, 1602576, 1702737, 2270316, 2403864, 2636496, 3027088, 3405474, 4540632, 4807728, 5108211, 6810948, 9081264, 10216422, 13621896, 20432844, 27243792, 40865688, 81731376]

約数ペア:

[(1, 81731376), (2, 40865688), (3, 27243792), (4, 20432844), (6, 13621896), (8, 10216422), (9, 9081264), (12, 6810948), (16, 5108211), (17, 4807728), (18, 4540632), (24, 3405474), (27, 3027088), (31, 2636496), (34, 2403864), (36, 2270316), (48, 1702737), (51, 1602576), (54, 1513544), (62, 1318248), (68, 1201932), (72, 1135158), (93, 878832), (102, 801288), (108, 756772), (124, 659124), (136, 600966), (144, 567579), (153, 534192), (186, 439416), (204, 400644), (216, 378386), (248, 329562), (272, 300483), (279, 292944), (306, 267096), (359, 227664), (372, 219708), (408, 200322), (432, 189193), (459, 178064), (496, 164781), (527, 155088), (558, 146472), (612, 133548), (718, 113832), (744, 109854), (816, 100161), (837, 97648), (918, 89032), (1054, 77544), (1077, 75888), (1116, 73236), (1224, 66774), (1436, 56916), (1488, 54927), (1581, 51696), (1674, 48824), (1836, 44516), (2108, 38772), (2154, 37944), (2232, 36618), (2448, 33387), (2872, 28458), (3162, 25848), (3231, 25296), (3348, 24412), (3672, 22258), (4216, 19386), (4308, 18972), (4464, 18309), (4743, 17232), (5744, 14229), (6103, 13392), (6324, 12924), (6462, 12648), (6696, 12206), (7344, 11129), (8432, 9693), (8616, 9486)]