64489680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2083}}^1$

素因数の和:2145

約数の個数: 120

約数和(自身を含む): 221720928

約数和(自身を除く): 157231248

約数列:

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

約数ペア:

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