86721320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{16301}}^1$

素因数の和:16338

約数の個数: 64

約数和(自身を含む): 234748800

約数和(自身を除く): 148027480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 16301, 32602, 65204, 81505, 114107, 130408, 163010, 228214, 309719, 326020, 456428, 570535, 619438, 652040, 912856, 1141070, 1238876, 1548595, 2168033, 2282140, 2477752, 3097190, 4336066, 4564280, 6194380, 8672132, 10840165, 12388760, 17344264, 21680330, 43360660, 86721320]

約数ペア:

[(1, 86721320), (2, 43360660), (4, 21680330), (5, 17344264), (7, 12388760), (8, 10840165), (10, 8672132), (14, 6194380), (19, 4564280), (20, 4336066), (28, 3097190), (35, 2477752), (38, 2282140), (40, 2168033), (56, 1548595), (70, 1238876), (76, 1141070), (95, 912856), (133, 652040), (140, 619438), (152, 570535), (190, 456428), (266, 326020), (280, 309719), (380, 228214), (532, 163010), (665, 130408), (760, 114107), (1064, 81505), (1330, 65204), (2660, 32602), (5320, 16301)]