81732840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{97301}}^1$

素因数の和:97322

約数の個数: 64

約数和(自身を含む): 280229760

約数和(自身を除く): 198496920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 97301, 194602, 291903, 389204, 486505, 583806, 681107, 778408, 973010, 1167612, 1362214, 1459515, 1946020, 2043321, 2335224, 2724428, 2919030, 3405535, 3892040, 4086642, 5448856, 5838060, 6811070, 8173284, 10216605, 11676120, 13622140, 16346568, 20433210, 27244280, 40866420, 81732840]

約数ペア:

[(1, 81732840), (2, 40866420), (3, 27244280), (4, 20433210), (5, 16346568), (6, 13622140), (7, 11676120), (8, 10216605), (10, 8173284), (12, 6811070), (14, 5838060), (15, 5448856), (20, 4086642), (21, 3892040), (24, 3405535), (28, 2919030), (30, 2724428), (35, 2335224), (40, 2043321), (42, 1946020), (56, 1459515), (60, 1362214), (70, 1167612), (84, 973010), (105, 778408), (120, 681107), (140, 583806), (168, 486505), (210, 389204), (280, 291903), (420, 194602), (840, 97301)]