139162880

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 362033280

約数和(自身を除く): 222870400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 92, 115, 116, 128, 145, 160, 163, 184, 230, 232, 256, 290, 320, 326, 368, 460, 464, 580, 640, 652, 667, 736, 815, 920, 928, 1160, 1280, 1304, 1334, 1472, 1630, 1840, 1856, 2320, 2608, 2668, 2944, 3260, 3335, 3680, 3712, 3749, 4640, 4727, 5216, 5336, 5888, 6520, 6670, 7360, 7424, 7498, 9280, 9454, 10432, 10672, 13040, 13340, 14720, 14996, 18560, 18745, 18908, 20864, 21344, 23635, 26080, 26680, 29440, 29992, 37120, 37490, 37816, 41728, 42688, 47270, 52160, 53360, 59984, 74980, 75632, 85376, 94540, 104320, 106720, 108721, 119968, 149960, 151264, 170752, 189080, 208640, 213440, 217442, 239936, 299920, 302528, 378160, 426880, 434884, 479872, 543605, 599840, 605056, 756320, 853760, 869768, 959744, 1087210, 1199680, 1210112, 1512640, 1739536, 2174420, 2399360, 3025280, 3479072, 4348840, 4798720, 6050560, 6958144, 8697680, 13916288, 17395360, 27832576, 34790720, 69581440, 139162880]

約数ペア:

[(1, 139162880), (2, 69581440), (4, 34790720), (5, 27832576), (8, 17395360), (10, 13916288), (16, 8697680), (20, 6958144), (23, 6050560), (29, 4798720), (32, 4348840), (40, 3479072), (46, 3025280), (58, 2399360), (64, 2174420), (80, 1739536), (92, 1512640), (115, 1210112), (116, 1199680), (128, 1087210), (145, 959744), (160, 869768), (163, 853760), (184, 756320), (230, 605056), (232, 599840), (256, 543605), (290, 479872), (320, 434884), (326, 426880), (368, 378160), (460, 302528), (464, 299920), (580, 239936), (640, 217442), (652, 213440), (667, 208640), (736, 189080), (815, 170752), (920, 151264), (928, 149960), (1160, 119968), (1280, 108721), (1304, 106720), (1334, 104320), (1472, 94540), (1630, 85376), (1840, 75632), (1856, 74980), (2320, 59984), (2608, 53360), (2668, 52160), (2944, 47270), (3260, 42688), (3335, 41728), (3680, 37816), (3712, 37490), (3749, 37120), (4640, 29992), (4727, 29440), (5216, 26680), (5336, 26080), (5888, 23635), (6520, 21344), (6670, 20864), (7360, 18908), (7424, 18745), (7498, 18560), (9280, 14996), (9454, 14720), (10432, 13340), (10672, 13040)]