80284140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2311}}^1$

素因数の和:2519

約数の個数: 72

約数和(自身を含む): 244896288

約数和(自身を除く): 164612148

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, 2311, 2316, 2895, 3474, 3860, 4622, 5790, 6933, 6948, 8685, 9244, 11555, 11580, 13866, 17370, 20799, 23110, 27732, 34665, 34740, 41598, 46220, 69330, 83196, 103995, 138660, 207990, 415980, 446023, 892046, 1338069, 1784092, 2230115, 2676138, 4014207, 4460230, 5352276, 6690345, 8028414, 8920460, 13380690, 16056828, 20071035, 26761380, 40142070, 80284140]

約数ペア:

[(1, 80284140), (2, 40142070), (3, 26761380), (4, 20071035), (5, 16056828), (6, 13380690), (9, 8920460), (10, 8028414), (12, 6690345), (15, 5352276), (18, 4460230), (20, 4014207), (30, 2676138), (36, 2230115), (45, 1784092), (60, 1338069), (90, 892046), (180, 446023), (193, 415980), (386, 207990), (579, 138660), (772, 103995), (965, 83196), (1158, 69330), (1737, 46220), (1930, 41598), (2311, 34740), (2316, 34665), (2895, 27732), (3474, 23110), (3860, 20799), (4622, 17370), (5790, 13866), (6933, 11580), (6948, 11555), (8685, 9244)]