64858640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10529}}^1$

素因数の和:10560

約数の個数: 80

約数和(自身を含む): 188023680

約数和(自身を除く): 123165040

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 6160, 10529, 21058, 42116, 52645, 73703, 84232, 105290, 115819, 147406, 168464, 210580, 231638, 294812, 368515, 421160, 463276, 579095, 589624, 737030, 810733, 842320, 926552, 1158190, 1179248, 1474060, 1621466, 1853104, 2316380, 2948120, 3242932, 4053665, 4632760, 5896240, 6485864, 8107330, 9265520, 12971728, 16214660, 32429320, 64858640]

約数ペア:

[(1, 64858640), (2, 32429320), (4, 16214660), (5, 12971728), (7, 9265520), (8, 8107330), (10, 6485864), (11, 5896240), (14, 4632760), (16, 4053665), (20, 3242932), (22, 2948120), (28, 2316380), (35, 1853104), (40, 1621466), (44, 1474060), (55, 1179248), (56, 1158190), (70, 926552), (77, 842320), (80, 810733), (88, 737030), (110, 589624), (112, 579095), (140, 463276), (154, 421160), (176, 368515), (220, 294812), (280, 231638), (308, 210580), (385, 168464), (440, 147406), (560, 115819), (616, 105290), (770, 84232), (880, 73703), (1232, 52645), (1540, 42116), (3080, 21058), (6160, 10529)]