8018780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 96

約数和(自身を含む): 21676032

約数和(自身を除く): 13657252

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 41, 44, 55, 70, 77, 82, 110, 127, 140, 154, 164, 205, 220, 254, 287, 308, 385, 410, 451, 508, 574, 635, 770, 820, 889, 902, 1148, 1270, 1397, 1435, 1540, 1778, 1804, 2255, 2540, 2794, 2870, 3157, 3556, 4445, 4510, 5207, 5588, 5740, 6314, 6985, 8890, 9020, 9779, 10414, 12628, 13970, 15785, 17780, 19558, 20828, 26035, 27940, 31570, 36449, 39116, 48895, 52070, 57277, 63140, 72898, 97790, 104140, 114554, 145796, 182245, 195580, 229108, 286385, 364490, 400939, 572770, 728980, 801878, 1145540, 1603756, 2004695, 4009390, 8018780]

約数ペア:

[(1, 8018780), (2, 4009390), (4, 2004695), (5, 1603756), (7, 1145540), (10, 801878), (11, 728980), (14, 572770), (20, 400939), (22, 364490), (28, 286385), (35, 229108), (41, 195580), (44, 182245), (55, 145796), (70, 114554), (77, 104140), (82, 97790), (110, 72898), (127, 63140), (140, 57277), (154, 52070), (164, 48895), (205, 39116), (220, 36449), (254, 31570), (287, 27940), (308, 26035), (385, 20828), (410, 19558), (451, 17780), (508, 15785), (574, 13970), (635, 12628), (770, 10414), (820, 9779), (889, 9020), (902, 8890), (1148, 6985), (1270, 6314), (1397, 5740), (1435, 5588), (1540, 5207), (1778, 4510), (1804, 4445), (2255, 3556), (2540, 3157), (2794, 2870)]