82785420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2383}}^1$

素因数の和:2591

約数の個数: 72

約数和(自身を含む): 252522816

約数和(自身を除く): 169737396

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 193, 386, 579, 772, 965, 1158, 1737, 1930, 2316, 2383, 2895, 3474, 3860, 4766, 5790, 6948, 7149, 8685, 9532, 11580, 11915, 14298, 17370, 21447, 23830, 28596, 34740, 35745, 42894, 47660, 71490, 85788, 107235, 142980, 214470, 428940, 459919, 919838, 1379757, 1839676, 2299595, 2759514, 4139271, 4599190, 5519028, 6898785, 8278542, 9198380, 13797570, 16557084, 20696355, 27595140, 41392710, 82785420]

約数ペア:

[(1, 82785420), (2, 41392710), (3, 27595140), (4, 20696355), (5, 16557084), (6, 13797570), (9, 9198380), (10, 8278542), (12, 6898785), (15, 5519028), (18, 4599190), (20, 4139271), (30, 2759514), (36, 2299595), (45, 1839676), (60, 1379757), (90, 919838), (180, 459919), (193, 428940), (386, 214470), (579, 142980), (772, 107235), (965, 85788), (1158, 71490), (1737, 47660), (1930, 42894), (2316, 35745), (2383, 34740), (2895, 28596), (3474, 23830), (3860, 21447), (4766, 17370), (5790, 14298), (6948, 11915), (7149, 11580), (8685, 9532)]