12815320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1237}}^1$

素因数の和:1292

約数の個数: 64

約数和(自身を含む): 33871680

約数和(自身を除く): 21056360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1237, 1295, 1480, 2072, 2474, 2590, 4948, 5180, 6185, 8659, 9896, 10360, 12370, 17318, 24740, 34636, 43295, 45769, 49480, 69272, 86590, 91538, 173180, 183076, 228845, 320383, 346360, 366152, 457690, 640766, 915380, 1281532, 1601915, 1830760, 2563064, 3203830, 6407660, 12815320]

約数ペア:

[(1, 12815320), (2, 6407660), (4, 3203830), (5, 2563064), (7, 1830760), (8, 1601915), (10, 1281532), (14, 915380), (20, 640766), (28, 457690), (35, 366152), (37, 346360), (40, 320383), (56, 228845), (70, 183076), (74, 173180), (140, 91538), (148, 86590), (185, 69272), (259, 49480), (280, 45769), (296, 43295), (370, 34636), (518, 24740), (740, 17318), (1036, 12370), (1237, 10360), (1295, 9896), (1480, 8659), (2072, 6185), (2474, 5180), (2590, 4948)]