261263040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8779}}^1$

素因数の和:8830

約数の個数: 112

約数和(自身を含む): 856366080

約数和(自身を除く): 595103040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 155, 160, 186, 192, 240, 248, 310, 320, 372, 465, 480, 496, 620, 744, 930, 960, 992, 1240, 1488, 1860, 1984, 2480, 2976, 3720, 4960, 5952, 7440, 8779, 9920, 14880, 17558, 26337, 29760, 35116, 43895, 52674, 70232, 87790, 105348, 131685, 140464, 175580, 210696, 263370, 272149, 280928, 351160, 421392, 526740, 544298, 561856, 702320, 816447, 842784, 1053480, 1088596, 1360745, 1404640, 1632894, 1685568, 2106960, 2177192, 2721490, 2809280, 3265788, 4082235, 4213920, 4354384, 5442980, 6531576, 8164470, 8427840, 8708768, 10885960, 13063152, 16328940, 17417536, 21771920, 26126304, 32657880, 43543840, 52252608, 65315760, 87087680, 130631520, 261263040]

約数ペア:

[(1, 261263040), (2, 130631520), (3, 87087680), (4, 65315760), (5, 52252608), (6, 43543840), (8, 32657880), (10, 26126304), (12, 21771920), (15, 17417536), (16, 16328940), (20, 13063152), (24, 10885960), (30, 8708768), (31, 8427840), (32, 8164470), (40, 6531576), (48, 5442980), (60, 4354384), (62, 4213920), (64, 4082235), (80, 3265788), (93, 2809280), (96, 2721490), (120, 2177192), (124, 2106960), (155, 1685568), (160, 1632894), (186, 1404640), (192, 1360745), (240, 1088596), (248, 1053480), (310, 842784), (320, 816447), (372, 702320), (465, 561856), (480, 544298), (496, 526740), (620, 421392), (744, 351160), (930, 280928), (960, 272149), (992, 263370), (1240, 210696), (1488, 175580), (1860, 140464), (1984, 131685), (2480, 105348), (2976, 87790), (3720, 70232), (4960, 52674), (5952, 43895), (7440, 35116), (8779, 29760), (9920, 26337), (14880, 17558)]