30405760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1$

素因数の和:654

約数の個数: 128

約数和(自身を含む): 90771840

約数和(自身を除く): 60366080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 64, 70, 77, 80, 88, 110, 112, 128, 140, 154, 160, 176, 220, 224, 280, 308, 320, 352, 385, 440, 448, 560, 616, 617, 640, 704, 770, 880, 896, 1120, 1232, 1234, 1408, 1540, 1760, 2240, 2464, 2468, 3080, 3085, 3520, 4319, 4480, 4928, 4936, 6160, 6170, 6787, 7040, 8638, 9856, 9872, 12320, 12340, 13574, 17276, 19744, 21595, 24640, 24680, 27148, 33935, 34552, 39488, 43190, 47509, 49280, 49360, 54296, 67870, 69104, 78976, 86380, 95018, 98720, 108592, 135740, 138208, 172760, 190036, 197440, 217184, 237545, 271480, 276416, 345520, 380072, 394880, 434368, 475090, 542960, 552832, 691040, 760144, 868736, 950180, 1085920, 1382080, 1520288, 1900360, 2171840, 2764160, 3040576, 3800720, 4343680, 6081152, 7601440, 15202880, 30405760]

約数ペア:

[(1, 30405760), (2, 15202880), (4, 7601440), (5, 6081152), (7, 4343680), (8, 3800720), (10, 3040576), (11, 2764160), (14, 2171840), (16, 1900360), (20, 1520288), (22, 1382080), (28, 1085920), (32, 950180), (35, 868736), (40, 760144), (44, 691040), (55, 552832), (56, 542960), (64, 475090), (70, 434368), (77, 394880), (80, 380072), (88, 345520), (110, 276416), (112, 271480), (128, 237545), (140, 217184), (154, 197440), (160, 190036), (176, 172760), (220, 138208), (224, 135740), (280, 108592), (308, 98720), (320, 95018), (352, 86380), (385, 78976), (440, 69104), (448, 67870), (560, 54296), (616, 49360), (617, 49280), (640, 47509), (704, 43190), (770, 39488), (880, 34552), (896, 33935), (1120, 27148), (1232, 24680), (1234, 24640), (1408, 21595), (1540, 19744), (1760, 17276), (2240, 13574), (2464, 12340), (2468, 12320), (3080, 9872), (3085, 9856), (3520, 8638), (4319, 7040), (4480, 6787), (4928, 6170), (4936, 6160)]