255151320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{16231}}^1$

素因数の和:16376

約数の個数: 64

約数和(自身を含む): 771344640

約数和(自身を除く): 516193320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 131, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3930, 5240, 7860, 15720, 16231, 32462, 48693, 64924, 81155, 97386, 129848, 162310, 194772, 243465, 324620, 389544, 486930, 649240, 973860, 1947720, 2126261, 4252522, 6378783, 8505044, 10631305, 12757566, 17010088, 21262610, 25515132, 31893915, 42525220, 51030264, 63787830, 85050440, 127575660, 255151320]

約数ペア:

[(1, 255151320), (2, 127575660), (3, 85050440), (4, 63787830), (5, 51030264), (6, 42525220), (8, 31893915), (10, 25515132), (12, 21262610), (15, 17010088), (20, 12757566), (24, 10631305), (30, 8505044), (40, 6378783), (60, 4252522), (120, 2126261), (131, 1947720), (262, 973860), (393, 649240), (524, 486930), (655, 389544), (786, 324620), (1048, 243465), (1310, 194772), (1572, 162310), (1965, 129848), (2620, 97386), (3144, 81155), (3930, 64924), (5240, 48693), (7860, 32462), (15720, 16231)]