81808056

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:551

約数の個数: 160

約数和(自身を含む): 261360000

約数和(自身を除く): 179551944

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, 81, 88, 92, 99, 108, 132, 138, 162, 184, 198, 207, 216, 253, 264, 276, 297, 324, 396, 414, 499, 506, 552, 594, 621, 648, 759, 792, 828, 891, 998, 1012, 1188, 1242, 1497, 1518, 1656, 1782, 1863, 1996, 2024, 2277, 2376, 2484, 2994, 3036, 3564, 3726, 3992, 4491, 4554, 4968, 5489, 5988, 6072, 6831, 7128, 7452, 8982, 9108, 10978, 11477, 11976, 13473, 13662, 14904, 16467, 17964, 18216, 20493, 21956, 22954, 26946, 27324, 32934, 34431, 35928, 40419, 40986, 43912, 45908, 49401, 53892, 54648, 65868, 68862, 80838, 81972, 91816, 98802, 103293, 107784, 126247, 131736, 137724, 148203, 161676, 163944, 197604, 206586, 252494, 275448, 296406, 309879, 323352, 378741, 395208, 413172, 444609, 504988, 592812, 619758, 757482, 826344, 889218, 929637, 1009976, 1136223, 1185624, 1239516, 1514964, 1778436, 1859274, 2272446, 2479032, 3029928, 3408669, 3556872, 3718548, 4544892, 6817338, 7437096, 9089784, 10226007, 13634676, 20452014, 27269352, 40904028, 81808056]

約数ペア:

[(1, 81808056), (2, 40904028), (3, 27269352), (4, 20452014), (6, 13634676), (8, 10226007), (9, 9089784), (11, 7437096), (12, 6817338), (18, 4544892), (22, 3718548), (23, 3556872), (24, 3408669), (27, 3029928), (33, 2479032), (36, 2272446), (44, 1859274), (46, 1778436), (54, 1514964), (66, 1239516), (69, 1185624), (72, 1136223), (81, 1009976), (88, 929637), (92, 889218), (99, 826344), (108, 757482), (132, 619758), (138, 592812), (162, 504988), (184, 444609), (198, 413172), (207, 395208), (216, 378741), (253, 323352), (264, 309879), (276, 296406), (297, 275448), (324, 252494), (396, 206586), (414, 197604), (499, 163944), (506, 161676), (552, 148203), (594, 137724), (621, 131736), (648, 126247), (759, 107784), (792, 103293), (828, 98802), (891, 91816), (998, 81972), (1012, 80838), (1188, 68862), (1242, 65868), (1497, 54648), (1518, 53892), (1656, 49401), (1782, 45908), (1863, 43912), (1996, 40986), (2024, 40419), (2277, 35928), (2376, 34431), (2484, 32934), (2994, 27324), (3036, 26946), (3564, 22954), (3726, 21956), (3992, 20493), (4491, 18216), (4554, 17964), (4968, 16467), (5489, 14904), (5988, 13662), (6072, 13473), (6831, 11976), (7128, 11477), (7452, 10978), (8982, 9108)]