123291216

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1$

素因数の和:505

約数の個数: 120

約数和(自身を含む): 362119680

約数和(自身を除く): 238828464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 71, 72, 93, 124, 142, 144, 186, 213, 248, 279, 284, 372, 389, 426, 496, 558, 568, 639, 744, 778, 852, 1116, 1136, 1167, 1278, 1488, 1556, 1704, 2201, 2232, 2334, 2556, 3112, 3408, 3501, 4402, 4464, 4668, 5112, 6224, 6603, 7002, 8804, 9336, 10224, 12059, 13206, 14004, 17608, 18672, 19809, 24118, 26412, 27619, 28008, 35216, 36177, 39618, 48236, 52824, 55238, 56016, 72354, 79236, 82857, 96472, 105648, 108531, 110476, 144708, 158472, 165714, 192944, 217062, 220952, 248571, 289416, 316944, 331428, 434124, 441904, 497142, 578832, 662856, 856189, 868248, 994284, 1325712, 1712378, 1736496, 1988568, 2568567, 3424756, 3977136, 5137134, 6849512, 7705701, 10274268, 13699024, 15411402, 20548536, 30822804, 41097072, 61645608, 123291216]

約数ペア:

[(1, 123291216), (2, 61645608), (3, 41097072), (4, 30822804), (6, 20548536), (8, 15411402), (9, 13699024), (12, 10274268), (16, 7705701), (18, 6849512), (24, 5137134), (31, 3977136), (36, 3424756), (48, 2568567), (62, 1988568), (71, 1736496), (72, 1712378), (93, 1325712), (124, 994284), (142, 868248), (144, 856189), (186, 662856), (213, 578832), (248, 497142), (279, 441904), (284, 434124), (372, 331428), (389, 316944), (426, 289416), (496, 248571), (558, 220952), (568, 217062), (639, 192944), (744, 165714), (778, 158472), (852, 144708), (1116, 110476), (1136, 108531), (1167, 105648), (1278, 96472), (1488, 82857), (1556, 79236), (1704, 72354), (2201, 56016), (2232, 55238), (2334, 52824), (2556, 48236), (3112, 39618), (3408, 36177), (3501, 35216), (4402, 28008), (4464, 27619), (4668, 26412), (5112, 24118), (6224, 19809), (6603, 18672), (7002, 17608), (8804, 14004), (9336, 13206), (10224, 12059)]