20776800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{787}}^1$

素因数の和:821

約数の個数: 144

約数和(自身を含む): 73870272

約数和(自身を除く): 53093472

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 25, 30, 32, 33, 40, 44, 48, 50, 55, 60, 66, 75, 80, 88, 96, 100, 110, 120, 132, 150, 160, 165, 176, 200, 220, 240, 264, 275, 300, 330, 352, 400, 440, 480, 528, 550, 600, 660, 787, 800, 825, 880, 1056, 1100, 1200, 1320, 1574, 1650, 1760, 2200, 2361, 2400, 2640, 3148, 3300, 3935, 4400, 4722, 5280, 6296, 6600, 7870, 8657, 8800, 9444, 11805, 12592, 13200, 15740, 17314, 18888, 19675, 23610, 25184, 25971, 26400, 31480, 34628, 37776, 39350, 43285, 47220, 51942, 59025, 62960, 69256, 75552, 78700, 86570, 94440, 103884, 118050, 125920, 129855, 138512, 157400, 173140, 188880, 207768, 216425, 236100, 259710, 277024, 314800, 346280, 377760, 415536, 432850, 472200, 519420, 629600, 649275, 692560, 831072, 865700, 944400, 1038840, 1298550, 1385120, 1731400, 1888800, 2077680, 2597100, 3462800, 4155360, 5194200, 6925600, 10388400, 20776800]

約数ペア:

[(1, 20776800), (2, 10388400), (3, 6925600), (4, 5194200), (5, 4155360), (6, 3462800), (8, 2597100), (10, 2077680), (11, 1888800), (12, 1731400), (15, 1385120), (16, 1298550), (20, 1038840), (22, 944400), (24, 865700), (25, 831072), (30, 692560), (32, 649275), (33, 629600), (40, 519420), (44, 472200), (48, 432850), (50, 415536), (55, 377760), (60, 346280), (66, 314800), (75, 277024), (80, 259710), (88, 236100), (96, 216425), (100, 207768), (110, 188880), (120, 173140), (132, 157400), (150, 138512), (160, 129855), (165, 125920), (176, 118050), (200, 103884), (220, 94440), (240, 86570), (264, 78700), (275, 75552), (300, 69256), (330, 62960), (352, 59025), (400, 51942), (440, 47220), (480, 43285), (528, 39350), (550, 37776), (600, 34628), (660, 31480), (787, 26400), (800, 25971), (825, 25184), (880, 23610), (1056, 19675), (1100, 18888), (1200, 17314), (1320, 15740), (1574, 13200), (1650, 12592), (1760, 11805), (2200, 9444), (2361, 8800), (2400, 8657), (2640, 7870), (3148, 6600), (3300, 6296), (3935, 5280), (4400, 4722)]