13229720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1277}}^1$

素因数の和:1332

約数の個数: 64

約数和(自身を含む): 34966080

約数和(自身を除く): 21736360

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, 1277, 1295, 1480, 2072, 2554, 2590, 5108, 5180, 6385, 8939, 10216, 10360, 12770, 17878, 25540, 35756, 44695, 47249, 51080, 71512, 89390, 94498, 178780, 188996, 236245, 330743, 357560, 377992, 472490, 661486, 944980, 1322972, 1653715, 1889960, 2645944, 3307430, 6614860, 13229720]

約数ペア:

[(1, 13229720), (2, 6614860), (4, 3307430), (5, 2645944), (7, 1889960), (8, 1653715), (10, 1322972), (14, 944980), (20, 661486), (28, 472490), (35, 377992), (37, 357560), (40, 330743), (56, 236245), (70, 188996), (74, 178780), (140, 94498), (148, 89390), (185, 71512), (259, 51080), (280, 47249), (296, 44695), (370, 35756), (518, 25540), (740, 17878), (1036, 12770), (1277, 10360), (1295, 10216), (1480, 8939), (2072, 6385), (2554, 5180), (2590, 5108)]