42720496

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:139

約数の個数: 120

約数和(自身を含む): 106924704

約数和(自身を除く): 64204208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 37, 52, 56, 61, 74, 91, 104, 112, 122, 148, 169, 182, 208, 244, 259, 296, 338, 364, 427, 481, 488, 518, 592, 676, 728, 793, 854, 962, 976, 1036, 1183, 1352, 1456, 1586, 1708, 1924, 2072, 2257, 2366, 2704, 3172, 3367, 3416, 3848, 4144, 4514, 4732, 5551, 6253, 6344, 6734, 6832, 7696, 9028, 9464, 10309, 11102, 12506, 12688, 13468, 15799, 18056, 18928, 20618, 22204, 25012, 26936, 29341, 31598, 36112, 41236, 43771, 44408, 50024, 53872, 58682, 63196, 72163, 82472, 87542, 88816, 100048, 117364, 126392, 144326, 164944, 175084, 205387, 234728, 252784, 288652, 350168, 381433, 410774, 469456, 577304, 700336, 762866, 821548, 1154608, 1525732, 1643096, 2670031, 3051464, 3286192, 5340062, 6102928, 10680124, 21360248, 42720496]

約数ペア:

[(1, 42720496), (2, 21360248), (4, 10680124), (7, 6102928), (8, 5340062), (13, 3286192), (14, 3051464), (16, 2670031), (26, 1643096), (28, 1525732), (37, 1154608), (52, 821548), (56, 762866), (61, 700336), (74, 577304), (91, 469456), (104, 410774), (112, 381433), (122, 350168), (148, 288652), (169, 252784), (182, 234728), (208, 205387), (244, 175084), (259, 164944), (296, 144326), (338, 126392), (364, 117364), (427, 100048), (481, 88816), (488, 87542), (518, 82472), (592, 72163), (676, 63196), (728, 58682), (793, 53872), (854, 50024), (962, 44408), (976, 43771), (1036, 41236), (1183, 36112), (1352, 31598), (1456, 29341), (1586, 26936), (1708, 25012), (1924, 22204), (2072, 20618), (2257, 18928), (2366, 18056), (2704, 15799), (3172, 13468), (3367, 12688), (3416, 12506), (3848, 11102), (4144, 10309), (4514, 9464), (4732, 9028), (5551, 7696), (6253, 6832), (6344, 6734)]