261322560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2927}}^1$

素因数の和:2981

約数の個数: 168

約数和(自身を含む): 928152576

約数和(自身を除く): 666830016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2927, 2976, 3720, 4464, 4960, 5580, 5854, 5952, 7440, 8781, 8928, 9920, 11160, 11708, 14635, 14880, 17562, 17856, 22320, 23416, 26343, 29270, 29760, 35124, 43905, 44640, 46832, 52686, 58540, 70248, 87810, 89280, 90737, 93664, 105372, 117080, 131715, 140496, 175620, 181474, 187328, 210744, 234160, 263430, 272211, 280992, 351240, 362948, 421488, 453685, 468320, 526860, 544422, 561984, 702480, 725896, 816633, 842976, 907370, 936640, 1053720, 1088844, 1361055, 1404960, 1451792, 1633266, 1685952, 1814740, 2107440, 2177688, 2722110, 2809920, 2903584, 3266532, 3629480, 4083165, 4214880, 4355376, 5444220, 5807168, 6533064, 7258960, 8166330, 8429760, 8710752, 10888440, 13066128, 14517920, 16332660, 17421504, 21776880, 26132256, 29035840, 32665320, 43553760, 52264512, 65330640, 87107520, 130661280, 261322560]

約数ペア:

[(1, 261322560), (2, 130661280), (3, 87107520), (4, 65330640), (5, 52264512), (6, 43553760), (8, 32665320), (9, 29035840), (10, 26132256), (12, 21776880), (15, 17421504), (16, 16332660), (18, 14517920), (20, 13066128), (24, 10888440), (30, 8710752), (31, 8429760), (32, 8166330), (36, 7258960), (40, 6533064), (45, 5807168), (48, 5444220), (60, 4355376), (62, 4214880), (64, 4083165), (72, 3629480), (80, 3266532), (90, 2903584), (93, 2809920), (96, 2722110), (120, 2177688), (124, 2107440), (144, 1814740), (155, 1685952), (160, 1633266), (180, 1451792), (186, 1404960), (192, 1361055), (240, 1088844), (248, 1053720), (279, 936640), (288, 907370), (310, 842976), (320, 816633), (360, 725896), (372, 702480), (465, 561984), (480, 544422), (496, 526860), (558, 468320), (576, 453685), (620, 421488), (720, 362948), (744, 351240), (930, 280992), (960, 272211), (992, 263430), (1116, 234160), (1240, 210744), (1395, 187328), (1440, 181474), (1488, 175620), (1860, 140496), (1984, 131715), (2232, 117080), (2480, 105372), (2790, 93664), (2880, 90737), (2927, 89280), (2976, 87810), (3720, 70248), (4464, 58540), (4960, 52686), (5580, 46832), (5854, 44640), (5952, 43905), (7440, 35124), (8781, 29760), (8928, 29270), (9920, 26343), (11160, 23416), (11708, 22320), (14635, 17856), (14880, 17562)]