81895392

素因数分解:

$2^5\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:465

約数の個数: 144

約数和(自身を含む): 252972720

約数和(自身を除く): 171077328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 32, 34, 36, 43, 48, 51, 68, 72, 86, 96, 102, 129, 136, 144, 153, 172, 204, 258, 272, 288, 306, 344, 387, 389, 408, 516, 544, 612, 688, 731, 774, 778, 816, 1032, 1167, 1224, 1376, 1462, 1548, 1556, 1632, 2064, 2193, 2334, 2448, 2924, 3096, 3112, 3501, 4128, 4386, 4668, 4896, 5848, 6192, 6224, 6579, 6613, 7002, 8772, 9336, 11696, 12384, 12448, 13158, 13226, 14004, 16727, 17544, 18672, 19839, 23392, 26316, 26452, 28008, 33454, 35088, 37344, 39678, 50181, 52632, 52904, 56016, 59517, 66908, 70176, 79356, 100362, 105264, 105808, 112032, 119034, 133816, 150543, 158712, 200724, 210528, 211616, 238068, 267632, 284359, 301086, 317424, 401448, 476136, 535264, 568718, 602172, 634848, 802896, 853077, 952272, 1137436, 1204344, 1605792, 1706154, 1904544, 2274872, 2408688, 2559231, 3412308, 4549744, 4817376, 5118462, 6824616, 9099488, 10236924, 13649232, 20473848, 27298464, 40947696, 81895392]

約数ペア:

[(1, 81895392), (2, 40947696), (3, 27298464), (4, 20473848), (6, 13649232), (8, 10236924), (9, 9099488), (12, 6824616), (16, 5118462), (17, 4817376), (18, 4549744), (24, 3412308), (32, 2559231), (34, 2408688), (36, 2274872), (43, 1904544), (48, 1706154), (51, 1605792), (68, 1204344), (72, 1137436), (86, 952272), (96, 853077), (102, 802896), (129, 634848), (136, 602172), (144, 568718), (153, 535264), (172, 476136), (204, 401448), (258, 317424), (272, 301086), (288, 284359), (306, 267632), (344, 238068), (387, 211616), (389, 210528), (408, 200724), (516, 158712), (544, 150543), (612, 133816), (688, 119034), (731, 112032), (774, 105808), (778, 105264), (816, 100362), (1032, 79356), (1167, 70176), (1224, 66908), (1376, 59517), (1462, 56016), (1548, 52904), (1556, 52632), (1632, 50181), (2064, 39678), (2193, 37344), (2334, 35088), (2448, 33454), (2924, 28008), (3096, 26452), (3112, 26316), (3501, 23392), (4128, 19839), (4386, 18672), (4668, 17544), (4896, 16727), (5848, 14004), (6192, 13226), (6224, 13158), (6579, 12448), (6613, 12384), (7002, 11696), (8772, 9336)]