80900520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{1609}}^1$

素因数の和:2042

約数の個数: 64

約数和(自身を含む): 243432000

約数和(自身を除く): 162531480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 419, 838, 1257, 1609, 1676, 2095, 2514, 3218, 3352, 4190, 4827, 5028, 6285, 6436, 8045, 8380, 9654, 10056, 12570, 12872, 16090, 16760, 19308, 24135, 25140, 32180, 38616, 48270, 50280, 64360, 96540, 193080, 674171, 1348342, 2022513, 2696684, 3370855, 4045026, 5393368, 6741710, 8090052, 10112565, 13483420, 16180104, 20225130, 26966840, 40450260, 80900520]

約数ペア:

[(1, 80900520), (2, 40450260), (3, 26966840), (4, 20225130), (5, 16180104), (6, 13483420), (8, 10112565), (10, 8090052), (12, 6741710), (15, 5393368), (20, 4045026), (24, 3370855), (30, 2696684), (40, 2022513), (60, 1348342), (120, 674171), (419, 193080), (838, 96540), (1257, 64360), (1609, 50280), (1676, 48270), (2095, 38616), (2514, 32180), (3218, 25140), (3352, 24135), (4190, 19308), (4827, 16760), (5028, 16090), (6285, 12872), (6436, 12570), (8045, 10056), (8380, 9654)]