261507960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{34591}}^1$

素因数の和:34618

約数の個数: 128

約数和(自身を含む): 996249600

約数和(自身を除く): 734741640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 34591, 69182, 103773, 138364, 172955, 207546, 242137, 276728, 311319, 345910, 415092, 484274, 518865, 622638, 691820, 726411, 830184, 933957, 968548, 1037730, 1210685, 1245276, 1383640, 1452822, 1556595, 1867914, 1937096, 2075460, 2179233, 2421370, 2490552, 2905644, 3113190, 3632055, 3735828, 4150920, 4358466, 4669785, 4842740, 5811288, 6226380, 6537699, 7264110, 7471656, 8716932, 9339570, 9685480, 10896165, 12452760, 13075398, 14528220, 17433864, 18679140, 21792330, 26150796, 29056440, 32688495, 37358280, 43584660, 52301592, 65376990, 87169320, 130753980, 261507960]

約数ペア:

[(1, 261507960), (2, 130753980), (3, 87169320), (4, 65376990), (5, 52301592), (6, 43584660), (7, 37358280), (8, 32688495), (9, 29056440), (10, 26150796), (12, 21792330), (14, 18679140), (15, 17433864), (18, 14528220), (20, 13075398), (21, 12452760), (24, 10896165), (27, 9685480), (28, 9339570), (30, 8716932), (35, 7471656), (36, 7264110), (40, 6537699), (42, 6226380), (45, 5811288), (54, 4842740), (56, 4669785), (60, 4358466), (63, 4150920), (70, 3735828), (72, 3632055), (84, 3113190), (90, 2905644), (105, 2490552), (108, 2421370), (120, 2179233), (126, 2075460), (135, 1937096), (140, 1867914), (168, 1556595), (180, 1452822), (189, 1383640), (210, 1245276), (216, 1210685), (252, 1037730), (270, 968548), (280, 933957), (315, 830184), (360, 726411), (378, 691820), (420, 622638), (504, 518865), (540, 484274), (630, 415092), (756, 345910), (840, 311319), (945, 276728), (1080, 242137), (1260, 207546), (1512, 172955), (1890, 138364), (2520, 103773), (3780, 69182), (7560, 34591)]