68148920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 188697600

約数和(自身を除く): 120548680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 103, 119, 136, 139, 140, 170, 206, 238, 278, 280, 340, 412, 476, 515, 556, 595, 680, 695, 721, 824, 952, 973, 1030, 1112, 1190, 1390, 1442, 1751, 1946, 2060, 2363, 2380, 2780, 2884, 3502, 3605, 3892, 4120, 4726, 4760, 4865, 5560, 5768, 7004, 7210, 7784, 8755, 9452, 9730, 11815, 12257, 14008, 14317, 14420, 16541, 17510, 18904, 19460, 23630, 24514, 28634, 28840, 33082, 35020, 38920, 47260, 49028, 57268, 61285, 66164, 70040, 71585, 82705, 94520, 98056, 100219, 114536, 122570, 132328, 143170, 165410, 200438, 243389, 245140, 286340, 330820, 400876, 486778, 490280, 501095, 572680, 661640, 801752, 973556, 1002190, 1216945, 1703723, 1947112, 2004380, 2433890, 3407446, 4008760, 4867780, 6814892, 8518615, 9735560, 13629784, 17037230, 34074460, 68148920]

約数ペア:

[(1, 68148920), (2, 34074460), (4, 17037230), (5, 13629784), (7, 9735560), (8, 8518615), (10, 6814892), (14, 4867780), (17, 4008760), (20, 3407446), (28, 2433890), (34, 2004380), (35, 1947112), (40, 1703723), (56, 1216945), (68, 1002190), (70, 973556), (85, 801752), (103, 661640), (119, 572680), (136, 501095), (139, 490280), (140, 486778), (170, 400876), (206, 330820), (238, 286340), (278, 245140), (280, 243389), (340, 200438), (412, 165410), (476, 143170), (515, 132328), (556, 122570), (595, 114536), (680, 100219), (695, 98056), (721, 94520), (824, 82705), (952, 71585), (973, 70040), (1030, 66164), (1112, 61285), (1190, 57268), (1390, 49028), (1442, 47260), (1751, 38920), (1946, 35020), (2060, 33082), (2363, 28840), (2380, 28634), (2780, 24514), (2884, 23630), (3502, 19460), (3605, 18904), (3892, 17510), (4120, 16541), (4726, 14420), (4760, 14317), (4865, 14008), (5560, 12257), (5768, 11815), (7004, 9730), (7210, 9452), (7784, 8755)]