81261576

素因数分解:

$2^3\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1487}}^1$

素因数の和:1536

約数の個数: 128

約数和(自身を含む): 257126400

約数和(自身を除く): 175864824

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 27, 33, 36, 44, 46, 54, 66, 69, 72, 88, 92, 99, 108, 132, 138, 184, 198, 207, 216, 253, 264, 276, 297, 396, 414, 506, 552, 594, 621, 759, 792, 828, 1012, 1188, 1242, 1487, 1518, 1656, 2024, 2277, 2376, 2484, 2974, 3036, 4461, 4554, 4968, 5948, 6072, 6831, 8922, 9108, 11896, 13383, 13662, 16357, 17844, 18216, 26766, 27324, 32714, 34201, 35688, 40149, 49071, 53532, 54648, 65428, 68402, 80298, 98142, 102603, 107064, 130856, 136804, 147213, 160596, 196284, 205206, 273608, 294426, 307809, 321192, 376211, 392568, 410412, 441639, 588852, 615618, 752422, 820824, 883278, 923427, 1128633, 1177704, 1231236, 1504844, 1766556, 1846854, 2257266, 2462472, 3009688, 3385899, 3533112, 3693708, 4514532, 6771798, 7387416, 9029064, 10157697, 13543596, 20315394, 27087192, 40630788, 81261576]

約数ペア:

[(1, 81261576), (2, 40630788), (3, 27087192), (4, 20315394), (6, 13543596), (8, 10157697), (9, 9029064), (11, 7387416), (12, 6771798), (18, 4514532), (22, 3693708), (23, 3533112), (24, 3385899), (27, 3009688), (33, 2462472), (36, 2257266), (44, 1846854), (46, 1766556), (54, 1504844), (66, 1231236), (69, 1177704), (72, 1128633), (88, 923427), (92, 883278), (99, 820824), (108, 752422), (132, 615618), (138, 588852), (184, 441639), (198, 410412), (207, 392568), (216, 376211), (253, 321192), (264, 307809), (276, 294426), (297, 273608), (396, 205206), (414, 196284), (506, 160596), (552, 147213), (594, 136804), (621, 130856), (759, 107064), (792, 102603), (828, 98142), (1012, 80298), (1188, 68402), (1242, 65428), (1487, 54648), (1518, 53532), (1656, 49071), (2024, 40149), (2277, 35688), (2376, 34201), (2484, 32714), (2974, 27324), (3036, 26766), (4461, 18216), (4554, 17844), (4968, 16357), (5948, 13662), (6072, 13383), (6831, 11896), (8922, 9108)]