16818660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{419}}^1$

素因数の和:657

約数の個数: 72

約数和(自身を含む): 51367680

約数和(自身を除く): 34549020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 223, 419, 446, 669, 838, 892, 1115, 1257, 1338, 1676, 2007, 2095, 2230, 2514, 2676, 3345, 3771, 4014, 4190, 4460, 5028, 6285, 6690, 7542, 8028, 8380, 10035, 12570, 13380, 15084, 18855, 20070, 25140, 37710, 40140, 75420, 93437, 186874, 280311, 373748, 467185, 560622, 840933, 934370, 1121244, 1401555, 1681866, 1868740, 2803110, 3363732, 4204665, 5606220, 8409330, 16818660]

約数ペア:

[(1, 16818660), (2, 8409330), (3, 5606220), (4, 4204665), (5, 3363732), (6, 2803110), (9, 1868740), (10, 1681866), (12, 1401555), (15, 1121244), (18, 934370), (20, 840933), (30, 560622), (36, 467185), (45, 373748), (60, 280311), (90, 186874), (180, 93437), (223, 75420), (419, 40140), (446, 37710), (669, 25140), (838, 20070), (892, 18855), (1115, 15084), (1257, 13380), (1338, 12570), (1676, 10035), (2007, 8380), (2095, 8028), (2230, 7542), (2514, 6690), (2676, 6285), (3345, 5028), (3771, 4460), (4014, 4190)]