128800680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{557}}^1$

素因数の和:659

約数の個数: 128

約数和(自身を含む): 404974080

約数和(自身を除く): 276173400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 47, 60, 82, 94, 120, 123, 141, 164, 188, 205, 235, 246, 282, 328, 376, 410, 470, 492, 557, 564, 615, 705, 820, 940, 984, 1114, 1128, 1230, 1410, 1640, 1671, 1880, 1927, 2228, 2460, 2785, 2820, 3342, 3854, 4456, 4920, 5570, 5640, 5781, 6684, 7708, 8355, 9635, 11140, 11562, 13368, 15416, 16710, 19270, 22280, 22837, 23124, 26179, 28905, 33420, 38540, 45674, 46248, 52358, 57810, 66840, 68511, 77080, 78537, 91348, 104716, 114185, 115620, 130895, 137022, 157074, 182696, 209432, 228370, 231240, 261790, 274044, 314148, 342555, 392685, 456740, 523580, 548088, 628296, 685110, 785370, 913480, 1047160, 1073339, 1370220, 1570740, 2146678, 2740440, 3141480, 3220017, 4293356, 5366695, 6440034, 8586712, 10733390, 12880068, 16100085, 21466780, 25760136, 32200170, 42933560, 64400340, 128800680]

約数ペア:

[(1, 128800680), (2, 64400340), (3, 42933560), (4, 32200170), (5, 25760136), (6, 21466780), (8, 16100085), (10, 12880068), (12, 10733390), (15, 8586712), (20, 6440034), (24, 5366695), (30, 4293356), (40, 3220017), (41, 3141480), (47, 2740440), (60, 2146678), (82, 1570740), (94, 1370220), (120, 1073339), (123, 1047160), (141, 913480), (164, 785370), (188, 685110), (205, 628296), (235, 548088), (246, 523580), (282, 456740), (328, 392685), (376, 342555), (410, 314148), (470, 274044), (492, 261790), (557, 231240), (564, 228370), (615, 209432), (705, 182696), (820, 157074), (940, 137022), (984, 130895), (1114, 115620), (1128, 114185), (1230, 104716), (1410, 91348), (1640, 78537), (1671, 77080), (1880, 68511), (1927, 66840), (2228, 57810), (2460, 52358), (2785, 46248), (2820, 45674), (3342, 38540), (3854, 33420), (4456, 28905), (4920, 26179), (5570, 23124), (5640, 22837), (5781, 22280), (6684, 19270), (7708, 16710), (8355, 15416), (9635, 13368), (11140, 11562)]