128369520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1361}}^1$

素因数の和:1511

約数の個数: 120

約数和(自身を含む): 434717712

約数和(自身を除く): 306348192

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 131, 144, 180, 240, 262, 360, 393, 524, 655, 720, 786, 1048, 1179, 1310, 1361, 1572, 1965, 2096, 2358, 2620, 2722, 3144, 3930, 4083, 4716, 5240, 5444, 5895, 6288, 6805, 7860, 8166, 9432, 10480, 10888, 11790, 12249, 13610, 15720, 16332, 18864, 20415, 21776, 23580, 24498, 27220, 31440, 32664, 40830, 47160, 48996, 54440, 61245, 65328, 81660, 94320, 97992, 108880, 122490, 163320, 178291, 195984, 244980, 326640, 356582, 489960, 534873, 713164, 891455, 979920, 1069746, 1426328, 1604619, 1782910, 2139492, 2674365, 2852656, 3209238, 3565820, 4278984, 5348730, 6418476, 7131640, 8023095, 8557968, 10697460, 12836952, 14263280, 16046190, 21394920, 25673904, 32092380, 42789840, 64184760, 128369520]

約数ペア:

[(1, 128369520), (2, 64184760), (3, 42789840), (4, 32092380), (5, 25673904), (6, 21394920), (8, 16046190), (9, 14263280), (10, 12836952), (12, 10697460), (15, 8557968), (16, 8023095), (18, 7131640), (20, 6418476), (24, 5348730), (30, 4278984), (36, 3565820), (40, 3209238), (45, 2852656), (48, 2674365), (60, 2139492), (72, 1782910), (80, 1604619), (90, 1426328), (120, 1069746), (131, 979920), (144, 891455), (180, 713164), (240, 534873), (262, 489960), (360, 356582), (393, 326640), (524, 244980), (655, 195984), (720, 178291), (786, 163320), (1048, 122490), (1179, 108880), (1310, 97992), (1361, 94320), (1572, 81660), (1965, 65328), (2096, 61245), (2358, 54440), (2620, 48996), (2722, 47160), (3144, 40830), (3930, 32664), (4083, 31440), (4716, 27220), (5240, 24498), (5444, 23580), (5895, 21776), (6288, 20415), (6805, 18864), (7860, 16332), (8166, 15720), (9432, 13610), (10480, 12249), (10888, 11790)]