20161728744

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{491}}^1\times {\mathrm{617}}^1$

素因数の和:1223

約数の個数: 128

約数和(自身を含む): 52540876800

約数和(自身を除く): 32379148056

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 59, 94, 118, 141, 177, 188, 236, 282, 354, 376, 472, 491, 564, 617, 708, 982, 1128, 1234, 1416, 1473, 1851, 1964, 2468, 2773, 2946, 3702, 3928, 4936, 5546, 5892, 7404, 8319, 11092, 11784, 14808, 16638, 22184, 23077, 28969, 28999, 33276, 36403, 46154, 57938, 57998, 66552, 69231, 72806, 86907, 86997, 92308, 109209, 115876, 115996, 138462, 145612, 173814, 173994, 184616, 218418, 231752, 231992, 276924, 291224, 302947, 347628, 347988, 436836, 553848, 605894, 695256, 695976, 873672, 908841, 1211788, 1361543, 1710941, 1817682, 2423576, 2723086, 3421882, 3635364, 4084629, 5132823, 5446172, 6843764, 7270728, 8169258, 10265646, 10892344, 13687528, 14238509, 16338516, 17873873, 20531292, 28477018, 32677032, 35747746, 41062584, 42715527, 53621619, 56954036, 71495492, 85431054, 107243238, 113908072, 142990984, 170862108, 214486476, 341724216, 428972952, 840072031, 1680144062, 2520216093, 3360288124, 5040432186, 6720576248, 10080864372, 20161728744]

約数ペア:

[(1, 20161728744), (2, 10080864372), (3, 6720576248), (4, 5040432186), (6, 3360288124), (8, 2520216093), (12, 1680144062), (24, 840072031), (47, 428972952), (59, 341724216), (94, 214486476), (118, 170862108), (141, 142990984), (177, 113908072), (188, 107243238), (236, 85431054), (282, 71495492), (354, 56954036), (376, 53621619), (472, 42715527), (491, 41062584), (564, 35747746), (617, 32677032), (708, 28477018), (982, 20531292), (1128, 17873873), (1234, 16338516), (1416, 14238509), (1473, 13687528), (1851, 10892344), (1964, 10265646), (2468, 8169258), (2773, 7270728), (2946, 6843764), (3702, 5446172), (3928, 5132823), (4936, 4084629), (5546, 3635364), (5892, 3421882), (7404, 2723086), (8319, 2423576), (11092, 1817682), (11784, 1710941), (14808, 1361543), (16638, 1211788), (22184, 908841), (23077, 873672), (28969, 695976), (28999, 695256), (33276, 605894), (36403, 553848), (46154, 436836), (57938, 347988), (57998, 347628), (66552, 302947), (69231, 291224), (72806, 276924), (86907, 231992), (86997, 231752), (92308, 218418), (109209, 184616), (115876, 173994), (115996, 173814), (138462, 145612)]