78120448

素因数分解:

$2^9\times 7^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:403

約数の個数: 80

約数和(自身を含む): 181488384

約数和(自身を除く): 103367936

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 256, 284, 307, 448, 497, 512, 568, 614, 896, 994, 1136, 1228, 1792, 1988, 2149, 2272, 2456, 3584, 3976, 4298, 4544, 4912, 7952, 8596, 9088, 9824, 15904, 17192, 18176, 19648, 21797, 31808, 34384, 36352, 39296, 43594, 63616, 68768, 78592, 87188, 127232, 137536, 152579, 157184, 174376, 254464, 275072, 305158, 348752, 550144, 610316, 697504, 1100288, 1220632, 1395008, 2441264, 2790016, 4882528, 5580032, 9765056, 11160064, 19530112, 39060224, 78120448]

約数ペア:

[(1, 78120448), (2, 39060224), (4, 19530112), (7, 11160064), (8, 9765056), (14, 5580032), (16, 4882528), (28, 2790016), (32, 2441264), (56, 1395008), (64, 1220632), (71, 1100288), (112, 697504), (128, 610316), (142, 550144), (224, 348752), (256, 305158), (284, 275072), (307, 254464), (448, 174376), (497, 157184), (512, 152579), (568, 137536), (614, 127232), (896, 87188), (994, 78592), (1136, 68768), (1228, 63616), (1792, 43594), (1988, 39296), (2149, 36352), (2272, 34384), (2456, 31808), (3584, 21797), (3976, 19648), (4298, 18176), (4544, 17192), (4912, 15904), (7952, 9824), (8596, 9088)]