68965120

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{179}}^1$

素因数の和:250

約数の個数: 144

約数和(自身を含む): 194261760

約数和(自身を除く): 125296640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 64, 70, 80, 86, 112, 128, 140, 160, 172, 179, 215, 224, 256, 280, 301, 320, 344, 358, 430, 448, 560, 602, 640, 688, 716, 860, 895, 896, 1120, 1204, 1253, 1280, 1376, 1432, 1505, 1720, 1790, 1792, 2240, 2408, 2506, 2752, 2864, 3010, 3440, 3580, 4480, 4816, 5012, 5504, 5728, 6020, 6265, 6880, 7160, 7697, 8960, 9632, 10024, 11008, 11456, 12040, 12530, 13760, 14320, 15394, 19264, 20048, 22912, 24080, 25060, 27520, 28640, 30788, 38485, 38528, 40096, 45824, 48160, 50120, 53879, 55040, 57280, 61576, 76970, 77056, 80192, 96320, 100240, 107758, 114560, 123152, 153940, 160384, 192640, 200480, 215516, 229120, 246304, 269395, 307880, 320768, 385280, 400960, 431032, 492608, 538790, 615760, 801920, 862064, 985216, 1077580, 1231520, 1603840, 1724128, 1970432, 2155160, 2463040, 3448256, 4310320, 4926080, 6896512, 8620640, 9852160, 13793024, 17241280, 34482560, 68965120]

約数ペア:

[(1, 68965120), (2, 34482560), (4, 17241280), (5, 13793024), (7, 9852160), (8, 8620640), (10, 6896512), (14, 4926080), (16, 4310320), (20, 3448256), (28, 2463040), (32, 2155160), (35, 1970432), (40, 1724128), (43, 1603840), (56, 1231520), (64, 1077580), (70, 985216), (80, 862064), (86, 801920), (112, 615760), (128, 538790), (140, 492608), (160, 431032), (172, 400960), (179, 385280), (215, 320768), (224, 307880), (256, 269395), (280, 246304), (301, 229120), (320, 215516), (344, 200480), (358, 192640), (430, 160384), (448, 153940), (560, 123152), (602, 114560), (640, 107758), (688, 100240), (716, 96320), (860, 80192), (895, 77056), (896, 76970), (1120, 61576), (1204, 57280), (1253, 55040), (1280, 53879), (1376, 50120), (1432, 48160), (1505, 45824), (1720, 40096), (1790, 38528), (1792, 38485), (2240, 30788), (2408, 28640), (2506, 27520), (2752, 25060), (2864, 24080), (3010, 22912), (3440, 20048), (3580, 19264), (4480, 15394), (4816, 14320), (5012, 13760), (5504, 12530), (5728, 12040), (6020, 11456), (6265, 11008), (6880, 10024), (7160, 9632), (7697, 8960)]