256673070

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{25693}}^1$

素因数の和:25746

約数の個数: 64

約数和(自身を含む): 702987840

約数和(自身を除く): 446314770

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990, 25693, 51386, 77079, 128465, 154158, 231237, 256930, 385395, 462474, 693711, 770790, 950641, 1156185, 1387422, 1901282, 2312370, 2851923, 3468555, 4753205, 5703846, 6937110, 8555769, 9506410, 14259615, 17111538, 25667307, 28519230, 42778845, 51334614, 85557690, 128336535, 256673070]

約数ペア:

[(1, 256673070), (2, 128336535), (3, 85557690), (5, 51334614), (6, 42778845), (9, 28519230), (10, 25667307), (15, 17111538), (18, 14259615), (27, 9506410), (30, 8555769), (37, 6937110), (45, 5703846), (54, 4753205), (74, 3468555), (90, 2851923), (111, 2312370), (135, 1901282), (185, 1387422), (222, 1156185), (270, 950641), (333, 770790), (370, 693711), (555, 462474), (666, 385395), (999, 256930), (1110, 231237), (1665, 154158), (1998, 128465), (3330, 77079), (4995, 51386), (9990, 25693)]