280839960

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{9631}}^1$

素因数の和:9660

約数の個数: 112

約数和(自身を含む): 947499840

約数和(自身を除く): 666659880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2430, 2916, 3240, 3645, 4860, 5832, 7290, 9631, 9720, 14580, 19262, 28893, 29160, 38524, 48155, 57786, 77048, 86679, 96310, 115572, 144465, 173358, 192620, 231144, 260037, 288930, 346716, 385240, 433395, 520074, 577860, 693432, 780111, 866790, 1040148, 1155720, 1300185, 1560222, 1733580, 2080296, 2340333, 2600370, 3120444, 3467160, 3900555, 4680666, 5200740, 6240888, 7020999, 7801110, 9361332, 10401480, 11701665, 14041998, 15602220, 18722664, 23403330, 28083996, 31204440, 35104995, 46806660, 56167992, 70209990, 93613320, 140419980, 280839960]

約数ペア:

[(1, 280839960), (2, 140419980), (3, 93613320), (4, 70209990), (5, 56167992), (6, 46806660), (8, 35104995), (9, 31204440), (10, 28083996), (12, 23403330), (15, 18722664), (18, 15602220), (20, 14041998), (24, 11701665), (27, 10401480), (30, 9361332), (36, 7801110), (40, 7020999), (45, 6240888), (54, 5200740), (60, 4680666), (72, 3900555), (81, 3467160), (90, 3120444), (108, 2600370), (120, 2340333), (135, 2080296), (162, 1733580), (180, 1560222), (216, 1300185), (243, 1155720), (270, 1040148), (324, 866790), (360, 780111), (405, 693432), (486, 577860), (540, 520074), (648, 433395), (729, 385240), (810, 346716), (972, 288930), (1080, 260037), (1215, 231144), (1458, 192620), (1620, 173358), (1944, 144465), (2430, 115572), (2916, 96310), (3240, 86679), (3645, 77048), (4860, 57786), (5832, 48155), (7290, 38524), (9631, 29160), (9720, 28893), (14580, 19262)]