81509148

素因数分解:

$2^2\times 3^2\times 7^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 180

約数和(自身を含む): 256930128

約数和(自身を除く): 175420980

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 41, 42, 46, 49, 63, 69, 82, 84, 92, 98, 123, 126, 138, 147, 161, 164, 196, 207, 246, 252, 276, 287, 294, 322, 343, 369, 414, 441, 483, 492, 574, 588, 644, 686, 738, 828, 861, 882, 943, 966, 1029, 1127, 1148, 1372, 1449, 1476, 1722, 1764, 1886, 1932, 2009, 2058, 2254, 2401, 2583, 2829, 2898, 3087, 3381, 3444, 3772, 4018, 4116, 4508, 4802, 5166, 5658, 5796, 6027, 6174, 6601, 6762, 7203, 7889, 8036, 8487, 9604, 10143, 10332, 11316, 12054, 12348, 13202, 13524, 14063, 14406, 15778, 16974, 18081, 19803, 20286, 21609, 23667, 24108, 26404, 28126, 28812, 31556, 33948, 36162, 39606, 40572, 42189, 43218, 46207, 47334, 55223, 56252, 59409, 71001, 72324, 79212, 84378, 86436, 92414, 94668, 98441, 110446, 118818, 126567, 138621, 142002, 165669, 168756, 184828, 196882, 220892, 237636, 253134, 277242, 284004, 295323, 323449, 331338, 393764, 415863, 497007, 506268, 554484, 590646, 646898, 662676, 831726, 885969, 970347, 994014, 1181292, 1293796, 1663452, 1771938, 1940694, 1988028, 2264143, 2911041, 3543876, 3881388, 4528286, 5822082, 6792429, 9056572, 11644164, 13584858, 20377287, 27169716, 40754574, 81509148]

約数ペア:

[(1, 81509148), (2, 40754574), (3, 27169716), (4, 20377287), (6, 13584858), (7, 11644164), (9, 9056572), (12, 6792429), (14, 5822082), (18, 4528286), (21, 3881388), (23, 3543876), (28, 2911041), (36, 2264143), (41, 1988028), (42, 1940694), (46, 1771938), (49, 1663452), (63, 1293796), (69, 1181292), (82, 994014), (84, 970347), (92, 885969), (98, 831726), (123, 662676), (126, 646898), (138, 590646), (147, 554484), (161, 506268), (164, 497007), (196, 415863), (207, 393764), (246, 331338), (252, 323449), (276, 295323), (287, 284004), (294, 277242), (322, 253134), (343, 237636), (369, 220892), (414, 196882), (441, 184828), (483, 168756), (492, 165669), (574, 142002), (588, 138621), (644, 126567), (686, 118818), (738, 110446), (828, 98441), (861, 94668), (882, 92414), (943, 86436), (966, 84378), (1029, 79212), (1127, 72324), (1148, 71001), (1372, 59409), (1449, 56252), (1476, 55223), (1722, 47334), (1764, 46207), (1886, 43218), (1932, 42189), (2009, 40572), (2058, 39606), (2254, 36162), (2401, 33948), (2583, 31556), (2829, 28812), (2898, 28126), (3087, 26404), (3381, 24108), (3444, 23667), (3772, 21609), (4018, 20286), (4116, 19803), (4508, 18081), (4802, 16974), (5166, 15778), (5658, 14406), (5796, 14063), (6027, 13524), (6174, 13202), (6601, 12348), (6762, 12054), (7203, 11316), (7889, 10332), (8036, 10143), (8487, 9604)]