64519920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{89611}}^1$

素因数の和:89630

約数の個数: 60

約数和(自身を含む): 216681816

約数和(自身を除く): 152161896

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, 144, 180, 240, 360, 720, 89611, 179222, 268833, 358444, 448055, 537666, 716888, 806499, 896110, 1075332, 1344165, 1433776, 1612998, 1792220, 2150664, 2688330, 3225996, 3584440, 4032495, 4301328, 5376660, 6451992, 7168880, 8064990, 10753320, 12903984, 16129980, 21506640, 32259960, 64519920]

約数ペア:

[(1, 64519920), (2, 32259960), (3, 21506640), (4, 16129980), (5, 12903984), (6, 10753320), (8, 8064990), (9, 7168880), (10, 6451992), (12, 5376660), (15, 4301328), (16, 4032495), (18, 3584440), (20, 3225996), (24, 2688330), (30, 2150664), (36, 1792220), (40, 1612998), (45, 1433776), (48, 1344165), (60, 1075332), (72, 896110), (80, 806499), (90, 716888), (120, 537666), (144, 448055), (180, 358444), (240, 268833), (360, 179222), (720, 89611)]