123764280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1609}}^1$

素因数の和:2264

約数の個数: 64

約数和(自身を含む): 372103200

約数和(自身を除く): 248338920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 641, 1282, 1609, 1923, 2564, 3205, 3218, 3846, 4827, 5128, 6410, 6436, 7692, 8045, 9615, 9654, 12820, 12872, 15384, 16090, 19230, 19308, 24135, 25640, 32180, 38460, 38616, 48270, 64360, 76920, 96540, 193080, 1031369, 2062738, 3094107, 4125476, 5156845, 6188214, 8250952, 10313690, 12376428, 15470535, 20627380, 24752856, 30941070, 41254760, 61882140, 123764280]

約数ペア:

[(1, 123764280), (2, 61882140), (3, 41254760), (4, 30941070), (5, 24752856), (6, 20627380), (8, 15470535), (10, 12376428), (12, 10313690), (15, 8250952), (20, 6188214), (24, 5156845), (30, 4125476), (40, 3094107), (60, 2062738), (120, 1031369), (641, 193080), (1282, 96540), (1609, 76920), (1923, 64360), (2564, 48270), (3205, 38616), (3218, 38460), (3846, 32180), (4827, 25640), (5128, 24135), (6410, 19308), (6436, 19230), (7692, 16090), (8045, 15384), (9615, 12872), (9654, 12820)]