268512640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:960

約数の個数: 128

約数和(自身を含む): 717361920

約数和(自身を除く): 448849280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 128, 160, 172, 176, 215, 220, 320, 344, 352, 430, 440, 473, 640, 688, 704, 860, 880, 887, 946, 1376, 1408, 1720, 1760, 1774, 1892, 2365, 2752, 3440, 3520, 3548, 3784, 4435, 4730, 5504, 6880, 7040, 7096, 7568, 8870, 9460, 9757, 13760, 14192, 15136, 17740, 18920, 19514, 27520, 28384, 30272, 35480, 37840, 38141, 39028, 48785, 56768, 60544, 70960, 75680, 76282, 78056, 97570, 113536, 141920, 151360, 152564, 156112, 190705, 195140, 283840, 302720, 305128, 312224, 381410, 390280, 419551, 567680, 610256, 624448, 762820, 780560, 839102, 1220512, 1248896, 1525640, 1561120, 1678204, 2097755, 2441024, 3051280, 3122240, 3356408, 4195510, 4882048, 6102560, 6244480, 6712816, 8391020, 12205120, 13425632, 16782040, 24410240, 26851264, 33564080, 53702528, 67128160, 134256320, 268512640]

約数ペア:

[(1, 268512640), (2, 134256320), (4, 67128160), (5, 53702528), (8, 33564080), (10, 26851264), (11, 24410240), (16, 16782040), (20, 13425632), (22, 12205120), (32, 8391020), (40, 6712816), (43, 6244480), (44, 6102560), (55, 4882048), (64, 4195510), (80, 3356408), (86, 3122240), (88, 3051280), (110, 2441024), (128, 2097755), (160, 1678204), (172, 1561120), (176, 1525640), (215, 1248896), (220, 1220512), (320, 839102), (344, 780560), (352, 762820), (430, 624448), (440, 610256), (473, 567680), (640, 419551), (688, 390280), (704, 381410), (860, 312224), (880, 305128), (887, 302720), (946, 283840), (1376, 195140), (1408, 190705), (1720, 156112), (1760, 152564), (1774, 151360), (1892, 141920), (2365, 113536), (2752, 97570), (3440, 78056), (3520, 76282), (3548, 75680), (3784, 70960), (4435, 60544), (4730, 56768), (5504, 48785), (6880, 39028), (7040, 38141), (7096, 37840), (7568, 35480), (8870, 30272), (9460, 28384), (9757, 27520), (13760, 19514), (14192, 18920), (15136, 17740)]