251287320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{443}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 786412800

約数和(自身を除く): 535125480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 163, 174, 232, 290, 326, 348, 435, 443, 489, 580, 652, 696, 815, 870, 886, 978, 1160, 1304, 1329, 1630, 1740, 1772, 1956, 2215, 2445, 2658, 3260, 3480, 3544, 3912, 4430, 4727, 4890, 5316, 6520, 6645, 8860, 9454, 9780, 10632, 12847, 13290, 14181, 17720, 18908, 19560, 23635, 25694, 26580, 28362, 37816, 38541, 47270, 51388, 53160, 56724, 64235, 70905, 72209, 77082, 94540, 102776, 113448, 128470, 141810, 144418, 154164, 189080, 192705, 216627, 256940, 283620, 288836, 308328, 361045, 385410, 433254, 513880, 567240, 577672, 722090, 770820, 866508, 1083135, 1444180, 1541640, 1733016, 2094061, 2166270, 2888360, 4188122, 4332540, 6282183, 8376244, 8665080, 10470305, 12564366, 16752488, 20940610, 25128732, 31410915, 41881220, 50257464, 62821830, 83762440, 125643660, 251287320]

約数ペア:

[(1, 251287320), (2, 125643660), (3, 83762440), (4, 62821830), (5, 50257464), (6, 41881220), (8, 31410915), (10, 25128732), (12, 20940610), (15, 16752488), (20, 12564366), (24, 10470305), (29, 8665080), (30, 8376244), (40, 6282183), (58, 4332540), (60, 4188122), (87, 2888360), (116, 2166270), (120, 2094061), (145, 1733016), (163, 1541640), (174, 1444180), (232, 1083135), (290, 866508), (326, 770820), (348, 722090), (435, 577672), (443, 567240), (489, 513880), (580, 433254), (652, 385410), (696, 361045), (815, 308328), (870, 288836), (886, 283620), (978, 256940), (1160, 216627), (1304, 192705), (1329, 189080), (1630, 154164), (1740, 144418), (1772, 141810), (1956, 128470), (2215, 113448), (2445, 102776), (2658, 94540), (3260, 77082), (3480, 72209), (3544, 70905), (3912, 64235), (4430, 56724), (4727, 53160), (4890, 51388), (5316, 47270), (6520, 38541), (6645, 37816), (8860, 28362), (9454, 26580), (9780, 25694), (10632, 23635), (12847, 19560), (13290, 18908), (14181, 17720)]