56512840

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 144633600

約数和(自身を除く): 88120760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 53, 61, 76, 92, 95, 106, 115, 122, 152, 184, 190, 212, 230, 244, 265, 305, 380, 424, 437, 460, 488, 530, 610, 760, 874, 920, 1007, 1060, 1159, 1219, 1220, 1403, 1748, 2014, 2120, 2185, 2318, 2438, 2440, 2806, 3233, 3496, 4028, 4370, 4636, 4876, 5035, 5612, 5795, 6095, 6466, 7015, 8056, 8740, 9272, 9752, 10070, 11224, 11590, 12190, 12932, 14030, 16165, 17480, 20140, 23161, 23180, 24380, 25864, 26657, 28060, 32330, 40280, 46322, 46360, 48760, 53314, 56120, 61427, 64660, 74359, 92644, 106628, 115805, 122854, 129320, 133285, 148718, 185288, 213256, 231610, 245708, 266570, 297436, 307135, 371795, 463220, 491416, 533140, 594872, 614270, 743590, 926440, 1066280, 1228540, 1412821, 1487180, 2457080, 2825642, 2974360, 5651284, 7064105, 11302568, 14128210, 28256420, 56512840]

約数ペア:

[(1, 56512840), (2, 28256420), (4, 14128210), (5, 11302568), (8, 7064105), (10, 5651284), (19, 2974360), (20, 2825642), (23, 2457080), (38, 1487180), (40, 1412821), (46, 1228540), (53, 1066280), (61, 926440), (76, 743590), (92, 614270), (95, 594872), (106, 533140), (115, 491416), (122, 463220), (152, 371795), (184, 307135), (190, 297436), (212, 266570), (230, 245708), (244, 231610), (265, 213256), (305, 185288), (380, 148718), (424, 133285), (437, 129320), (460, 122854), (488, 115805), (530, 106628), (610, 92644), (760, 74359), (874, 64660), (920, 61427), (1007, 56120), (1060, 53314), (1159, 48760), (1219, 46360), (1220, 46322), (1403, 40280), (1748, 32330), (2014, 28060), (2120, 26657), (2185, 25864), (2318, 24380), (2438, 23180), (2440, 23161), (2806, 20140), (3233, 17480), (3496, 16165), (4028, 14030), (4370, 12932), (4636, 12190), (4876, 11590), (5035, 11224), (5612, 10070), (5795, 9752), (6095, 9272), (6466, 8740), (7015, 8056)]