278657172

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:723

約数の個数: 120

約数和(自身を含む): 770837760

約数和(自身を除く): 492180588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 47, 54, 58, 81, 87, 94, 108, 116, 141, 162, 174, 188, 261, 282, 324, 348, 423, 522, 564, 631, 783, 846, 1044, 1262, 1269, 1363, 1566, 1692, 1893, 2349, 2524, 2538, 2726, 3132, 3786, 3807, 4089, 4698, 5076, 5452, 5679, 7572, 7614, 8178, 9396, 11358, 12267, 15228, 16356, 17037, 18299, 22716, 24534, 29657, 34074, 36598, 36801, 49068, 51111, 54897, 59314, 68148, 73196, 73602, 88971, 102222, 109794, 110403, 118628, 147204, 164691, 177942, 204444, 219588, 220806, 266913, 329382, 355884, 441612, 494073, 533826, 658764, 800739, 860053, 988146, 1067652, 1482219, 1601478, 1720106, 1976292, 2402217, 2580159, 2964438, 3202956, 3440212, 4804434, 5160318, 5928876, 7740477, 9608868, 10320636, 15480954, 23221431, 30961908, 46442862, 69664293, 92885724, 139328586, 278657172]

約数ペア:

[(1, 278657172), (2, 139328586), (3, 92885724), (4, 69664293), (6, 46442862), (9, 30961908), (12, 23221431), (18, 15480954), (27, 10320636), (29, 9608868), (36, 7740477), (47, 5928876), (54, 5160318), (58, 4804434), (81, 3440212), (87, 3202956), (94, 2964438), (108, 2580159), (116, 2402217), (141, 1976292), (162, 1720106), (174, 1601478), (188, 1482219), (261, 1067652), (282, 988146), (324, 860053), (348, 800739), (423, 658764), (522, 533826), (564, 494073), (631, 441612), (783, 355884), (846, 329382), (1044, 266913), (1262, 220806), (1269, 219588), (1363, 204444), (1566, 177942), (1692, 164691), (1893, 147204), (2349, 118628), (2524, 110403), (2538, 109794), (2726, 102222), (3132, 88971), (3786, 73602), (3807, 73196), (4089, 68148), (4698, 59314), (5076, 54897), (5452, 51111), (5679, 49068), (7572, 36801), (7614, 36598), (8178, 34074), (9396, 29657), (11358, 24534), (12267, 22716), (15228, 18299), (16356, 17037)]