78420636

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 238081536

約数和(自身を除く): 159660900

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 71, 81, 84, 108, 126, 142, 162, 189, 213, 252, 284, 324, 378, 426, 487, 497, 567, 639, 756, 852, 974, 994, 1134, 1278, 1461, 1491, 1917, 1948, 1988, 2268, 2556, 2922, 2982, 3409, 3834, 4383, 4473, 5751, 5844, 5964, 6818, 7668, 8766, 8946, 10227, 11502, 13149, 13419, 13636, 17532, 17892, 20454, 23004, 26298, 26838, 30681, 34577, 39447, 40257, 40908, 52596, 53676, 61362, 69154, 78894, 80514, 92043, 103731, 122724, 138308, 157788, 161028, 184086, 207462, 242039, 276129, 311193, 368172, 414924, 484078, 552258, 622386, 726117, 933579, 968156, 1104516, 1244772, 1452234, 1867158, 2178351, 2800737, 2904468, 3734316, 4356702, 5601474, 6535053, 8713404, 11202948, 13070106, 19605159, 26140212, 39210318, 78420636]

約数ペア:

[(1, 78420636), (2, 39210318), (3, 26140212), (4, 19605159), (6, 13070106), (7, 11202948), (9, 8713404), (12, 6535053), (14, 5601474), (18, 4356702), (21, 3734316), (27, 2904468), (28, 2800737), (36, 2178351), (42, 1867158), (54, 1452234), (63, 1244772), (71, 1104516), (81, 968156), (84, 933579), (108, 726117), (126, 622386), (142, 552258), (162, 484078), (189, 414924), (213, 368172), (252, 311193), (284, 276129), (324, 242039), (378, 207462), (426, 184086), (487, 161028), (497, 157788), (567, 138308), (639, 122724), (756, 103731), (852, 92043), (974, 80514), (994, 78894), (1134, 69154), (1278, 61362), (1461, 53676), (1491, 52596), (1917, 40908), (1948, 40257), (1988, 39447), (2268, 34577), (2556, 30681), (2922, 26838), (2982, 26298), (3409, 23004), (3834, 20454), (4383, 17892), (4473, 17532), (5751, 13636), (5844, 13419), (5964, 13149), (6818, 11502), (7668, 10227), (8766, 8946)]