256875408

素因数分解:

$2^4\times 3^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:394

約数の個数: 160

約数和(自身を含む): 779950080

約数和(自身を除く): 523074672

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 92, 103, 108, 138, 144, 184, 206, 207, 216, 251, 276, 309, 368, 412, 414, 432, 502, 552, 618, 621, 753, 824, 828, 927, 1004, 1104, 1236, 1242, 1506, 1648, 1656, 1854, 2008, 2259, 2369, 2472, 2484, 2781, 3012, 3312, 3708, 4016, 4518, 4738, 4944, 4968, 5562, 5773, 6024, 6777, 7107, 7416, 9036, 9476, 9936, 11124, 11546, 12048, 13554, 14214, 14832, 17319, 18072, 18952, 21321, 22248, 23092, 25853, 27108, 28428, 34638, 36144, 37904, 42642, 44496, 46184, 51706, 51957, 54216, 56856, 63963, 69276, 77559, 85284, 92368, 103412, 103914, 108432, 113712, 127926, 138552, 155118, 155871, 170568, 206824, 207828, 232677, 255852, 277104, 310236, 311742, 341136, 413648, 415656, 465354, 511704, 594619, 620472, 623484, 698031, 831312, 930708, 1023408, 1189238, 1240944, 1246968, 1396062, 1783857, 1861416, 2378476, 2493936, 2792124, 3567714, 3722832, 4756952, 5351571, 5584248, 7135428, 9513904, 10703142, 11168496, 14270856, 16054713, 21406284, 28541712, 32109426, 42812568, 64218852, 85625136, 128437704, 256875408]

約数ペア:

[(1, 256875408), (2, 128437704), (3, 85625136), (4, 64218852), (6, 42812568), (8, 32109426), (9, 28541712), (12, 21406284), (16, 16054713), (18, 14270856), (23, 11168496), (24, 10703142), (27, 9513904), (36, 7135428), (46, 5584248), (48, 5351571), (54, 4756952), (69, 3722832), (72, 3567714), (92, 2792124), (103, 2493936), (108, 2378476), (138, 1861416), (144, 1783857), (184, 1396062), (206, 1246968), (207, 1240944), (216, 1189238), (251, 1023408), (276, 930708), (309, 831312), (368, 698031), (412, 623484), (414, 620472), (432, 594619), (502, 511704), (552, 465354), (618, 415656), (621, 413648), (753, 341136), (824, 311742), (828, 310236), (927, 277104), (1004, 255852), (1104, 232677), (1236, 207828), (1242, 206824), (1506, 170568), (1648, 155871), (1656, 155118), (1854, 138552), (2008, 127926), (2259, 113712), (2369, 108432), (2472, 103914), (2484, 103412), (2781, 92368), (3012, 85284), (3312, 77559), (3708, 69276), (4016, 63963), (4518, 56856), (4738, 54216), (4944, 51957), (4968, 51706), (5562, 46184), (5773, 44496), (6024, 42642), (6777, 37904), (7107, 36144), (7416, 34638), (9036, 28428), (9476, 27108), (9936, 25853), (11124, 23092), (11546, 22248), (12048, 21321), (13554, 18952), (14214, 18072), (14832, 17319)]