128979360

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2147

約数の個数: 144

約数和(自身を含む): 450594144

約数和(自身を除く): 321614784

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 516, 645, 688, 720, 774, 860, 1032, 1290, 1376, 1440, 1548, 1720, 1935, 2064, 2083, 2580, 3096, 3440, 3870, 4128, 4166, 5160, 6192, 6249, 6880, 7740, 8332, 10320, 10415, 12384, 12498, 15480, 16664, 18747, 20640, 20830, 24996, 30960, 31245, 33328, 37494, 41660, 49992, 61920, 62490, 66656, 74988, 83320, 89569, 93735, 99984, 124980, 149976, 166640, 179138, 187470, 199968, 249960, 268707, 299952, 333280, 358276, 374940, 447845, 499920, 537414, 599904, 716552, 749880, 806121, 895690, 999840, 1074828, 1343535, 1433104, 1499760, 1612242, 1791380, 2149656, 2687070, 2866208, 2999520, 3224484, 3582760, 4030605, 4299312, 5374140, 6448968, 7165520, 8061210, 8598624, 10748280, 12897936, 14331040, 16122420, 21496560, 25795872, 32244840, 42993120, 64489680, 128979360]

約数ペア:

[(1, 128979360), (2, 64489680), (3, 42993120), (4, 32244840), (5, 25795872), (6, 21496560), (8, 16122420), (9, 14331040), (10, 12897936), (12, 10748280), (15, 8598624), (16, 8061210), (18, 7165520), (20, 6448968), (24, 5374140), (30, 4299312), (32, 4030605), (36, 3582760), (40, 3224484), (43, 2999520), (45, 2866208), (48, 2687070), (60, 2149656), (72, 1791380), (80, 1612242), (86, 1499760), (90, 1433104), (96, 1343535), (120, 1074828), (129, 999840), (144, 895690), (160, 806121), (172, 749880), (180, 716552), (215, 599904), (240, 537414), (258, 499920), (288, 447845), (344, 374940), (360, 358276), (387, 333280), (430, 299952), (480, 268707), (516, 249960), (645, 199968), (688, 187470), (720, 179138), (774, 166640), (860, 149976), (1032, 124980), (1290, 99984), (1376, 93735), (1440, 89569), (1548, 83320), (1720, 74988), (1935, 66656), (2064, 62490), (2083, 61920), (2580, 49992), (3096, 41660), (3440, 37494), (3870, 33328), (4128, 31245), (4166, 30960), (5160, 24996), (6192, 20830), (6249, 20640), (6880, 18747), (7740, 16664), (8332, 15480), (10320, 12498), (10415, 12384)]