748993280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{467}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 2066238720

約数和(自身を除く): 1317245440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 179, 224, 256, 280, 320, 358, 448, 467, 560, 640, 716, 895, 896, 934, 1120, 1253, 1280, 1432, 1790, 1792, 1868, 2240, 2335, 2506, 2864, 3269, 3580, 3736, 4480, 4670, 5012, 5728, 6265, 6538, 7160, 7472, 8960, 9340, 10024, 11456, 12530, 13076, 14320, 14944, 16345, 18680, 20048, 22912, 25060, 26152, 28640, 29888, 32690, 37360, 40096, 45824, 50120, 52304, 57280, 59776, 65380, 74720, 80192, 83593, 100240, 104608, 114560, 119552, 130760, 149440, 160384, 167186, 200480, 209216, 229120, 261520, 298880, 320768, 334372, 400960, 417965, 418432, 523040, 585151, 597760, 668744, 801920, 835930, 836864, 1046080, 1170302, 1337488, 1603840, 1671860, 2092160, 2340604, 2674976, 2925755, 3343720, 4184320, 4681208, 5349952, 5851510, 6687440, 9362416, 10699904, 11703020, 13374880, 18724832, 21399808, 23406040, 26749760, 37449664, 46812080, 53499520, 74899328, 93624160, 106999040, 149798656, 187248320, 374496640, 748993280]

約数ペア:

[(1, 748993280), (2, 374496640), (4, 187248320), (5, 149798656), (7, 106999040), (8, 93624160), (10, 74899328), (14, 53499520), (16, 46812080), (20, 37449664), (28, 26749760), (32, 23406040), (35, 21399808), (40, 18724832), (56, 13374880), (64, 11703020), (70, 10699904), (80, 9362416), (112, 6687440), (128, 5851510), (140, 5349952), (160, 4681208), (179, 4184320), (224, 3343720), (256, 2925755), (280, 2674976), (320, 2340604), (358, 2092160), (448, 1671860), (467, 1603840), (560, 1337488), (640, 1170302), (716, 1046080), (895, 836864), (896, 835930), (934, 801920), (1120, 668744), (1253, 597760), (1280, 585151), (1432, 523040), (1790, 418432), (1792, 417965), (1868, 400960), (2240, 334372), (2335, 320768), (2506, 298880), (2864, 261520), (3269, 229120), (3580, 209216), (3736, 200480), (4480, 167186), (4670, 160384), (5012, 149440), (5728, 130760), (6265, 119552), (6538, 114560), (7160, 104608), (7472, 100240), (8960, 83593), (9340, 80192), (10024, 74720), (11456, 65380), (12530, 59776), (13076, 57280), (14320, 52304), (14944, 50120), (16345, 45824), (18680, 40096), (20048, 37360), (22912, 32690), (25060, 29888), (26152, 28640)]