81643464

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:505

約数の個数: 160

約数和(自身を含む): 268329600

約数和(自身を除く): 186686136

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 41, 42, 54, 56, 63, 72, 81, 82, 84, 108, 123, 126, 162, 164, 168, 189, 216, 246, 252, 287, 324, 328, 369, 378, 439, 492, 504, 567, 574, 648, 738, 756, 861, 878, 984, 1107, 1134, 1148, 1317, 1476, 1512, 1722, 1756, 2214, 2268, 2296, 2583, 2634, 2952, 3073, 3321, 3444, 3512, 3951, 4428, 4536, 5166, 5268, 6146, 6642, 6888, 7749, 7902, 8856, 9219, 10332, 10536, 11853, 12292, 13284, 15498, 15804, 17999, 18438, 20664, 23247, 23706, 24584, 26568, 27657, 30996, 31608, 35559, 35998, 36876, 46494, 47412, 53997, 55314, 61992, 71118, 71996, 73752, 82971, 92988, 94824, 107994, 110628, 125993, 142236, 143992, 161991, 165942, 185976, 215988, 221256, 248913, 251986, 284472, 323982, 331884, 377979, 431976, 485973, 497826, 503972, 647964, 663768, 755958, 971946, 995652, 1007944, 1133937, 1295928, 1457919, 1511916, 1943892, 1991304, 2267874, 2915838, 3023832, 3401811, 3887784, 4535748, 5831676, 6803622, 9071496, 10205433, 11663352, 13607244, 20410866, 27214488, 40821732, 81643464]

約数ペア:

[(1, 81643464), (2, 40821732), (3, 27214488), (4, 20410866), (6, 13607244), (7, 11663352), (8, 10205433), (9, 9071496), (12, 6803622), (14, 5831676), (18, 4535748), (21, 3887784), (24, 3401811), (27, 3023832), (28, 2915838), (36, 2267874), (41, 1991304), (42, 1943892), (54, 1511916), (56, 1457919), (63, 1295928), (72, 1133937), (81, 1007944), (82, 995652), (84, 971946), (108, 755958), (123, 663768), (126, 647964), (162, 503972), (164, 497826), (168, 485973), (189, 431976), (216, 377979), (246, 331884), (252, 323982), (287, 284472), (324, 251986), (328, 248913), (369, 221256), (378, 215988), (439, 185976), (492, 165942), (504, 161991), (567, 143992), (574, 142236), (648, 125993), (738, 110628), (756, 107994), (861, 94824), (878, 92988), (984, 82971), (1107, 73752), (1134, 71996), (1148, 71118), (1317, 61992), (1476, 55314), (1512, 53997), (1722, 47412), (1756, 46494), (2214, 36876), (2268, 35998), (2296, 35559), (2583, 31608), (2634, 30996), (2952, 27657), (3073, 26568), (3321, 24584), (3444, 23706), (3512, 23247), (3951, 20664), (4428, 18438), (4536, 17999), (5166, 15804), (5268, 15498), (6146, 13284), (6642, 12292), (6888, 11853), (7749, 10536), (7902, 10332), (8856, 9219)]