138920320

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2819}}^1$

素因数の和:2856

約数の個数: 128

約数和(自身を含む): 414201600

約数和(自身を除く): 275281280

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, 640, 704, 770, 880, 896, 1120, 1232, 1408, 1540, 1760, 2240, 2464, 2819, 3080, 3520, 4480, 4928, 5638, 6160, 7040, 9856, 11276, 12320, 14095, 19733, 22552, 24640, 28190, 31009, 39466, 45104, 49280, 56380, 62018, 78932, 90208, 98665, 112760, 124036, 155045, 157864, 180416, 197330, 217063, 225520, 248072, 310090, 315728, 360832, 394660, 434126, 451040, 496144, 620180, 631456, 789320, 868252, 902080, 992288, 1085315, 1240360, 1262912, 1578640, 1736504, 1804160, 1984576, 2170630, 2480720, 2525824, 3157280, 3473008, 3969152, 4341260, 4961440, 6314560, 6946016, 8682520, 9922880, 12629120, 13892032, 17365040, 19845760, 27784064, 34730080, 69460160, 138920320]

約数ペア:

[(1, 138920320), (2, 69460160), (4, 34730080), (5, 27784064), (7, 19845760), (8, 17365040), (10, 13892032), (11, 12629120), (14, 9922880), (16, 8682520), (20, 6946016), (22, 6314560), (28, 4961440), (32, 4341260), (35, 3969152), (40, 3473008), (44, 3157280), (55, 2525824), (56, 2480720), (64, 2170630), (70, 1984576), (77, 1804160), (80, 1736504), (88, 1578640), (110, 1262912), (112, 1240360), (128, 1085315), (140, 992288), (154, 902080), (160, 868252), (176, 789320), (220, 631456), (224, 620180), (280, 496144), (308, 451040), (320, 434126), (352, 394660), (385, 360832), (440, 315728), (448, 310090), (560, 248072), (616, 225520), (640, 217063), (704, 197330), (770, 180416), (880, 157864), (896, 155045), (1120, 124036), (1232, 112760), (1408, 98665), (1540, 90208), (1760, 78932), (2240, 62018), (2464, 56380), (2819, 49280), (3080, 45104), (3520, 39466), (4480, 31009), (4928, 28190), (5638, 24640), (6160, 22552), (7040, 19733), (9856, 14095), (11276, 12320)]