19200720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1039}}^1$

素因数の和:1073

約数の個数: 160

約数和(自身を含む): 74280960

約数和(自身を除く): 55080240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 264, 280, 308, 330, 336, 385, 420, 440, 462, 528, 560, 616, 660, 770, 840, 880, 924, 1039, 1155, 1232, 1320, 1540, 1680, 1848, 2078, 2310, 2640, 3080, 3117, 3696, 4156, 4620, 5195, 6160, 6234, 7273, 8312, 9240, 10390, 11429, 12468, 14546, 15585, 16624, 18480, 20780, 21819, 22858, 24936, 29092, 31170, 34287, 36365, 41560, 43638, 45716, 49872, 57145, 58184, 62340, 68574, 72730, 80003, 83120, 87276, 91432, 109095, 114290, 116368, 124680, 137148, 145460, 160006, 171435, 174552, 182864, 218190, 228580, 240009, 249360, 274296, 290920, 320012, 342870, 349104, 400015, 436380, 457160, 480018, 548592, 581840, 640024, 685740, 800030, 872760, 914320, 960036, 1200045, 1280048, 1371480, 1600060, 1745520, 1920072, 2400090, 2742960, 3200120, 3840144, 4800180, 6400240, 9600360, 19200720]

約数ペア:

[(1, 19200720), (2, 9600360), (3, 6400240), (4, 4800180), (5, 3840144), (6, 3200120), (7, 2742960), (8, 2400090), (10, 1920072), (11, 1745520), (12, 1600060), (14, 1371480), (15, 1280048), (16, 1200045), (20, 960036), (21, 914320), (22, 872760), (24, 800030), (28, 685740), (30, 640024), (33, 581840), (35, 548592), (40, 480018), (42, 457160), (44, 436380), (48, 400015), (55, 349104), (56, 342870), (60, 320012), (66, 290920), (70, 274296), (77, 249360), (80, 240009), (84, 228580), (88, 218190), (105, 182864), (110, 174552), (112, 171435), (120, 160006), (132, 145460), (140, 137148), (154, 124680), (165, 116368), (168, 114290), (176, 109095), (210, 91432), (220, 87276), (231, 83120), (240, 80003), (264, 72730), (280, 68574), (308, 62340), (330, 58184), (336, 57145), (385, 49872), (420, 45716), (440, 43638), (462, 41560), (528, 36365), (560, 34287), (616, 31170), (660, 29092), (770, 24936), (840, 22858), (880, 21819), (924, 20780), (1039, 18480), (1155, 16624), (1232, 15585), (1320, 14546), (1540, 12468), (1680, 11429), (1848, 10390), (2078, 9240), (2310, 8312), (2640, 7273), (3080, 6234), (3117, 6160), (3696, 5195), (4156, 4620)]