21459600

素因数分解:

$2^4\times 3^3\times 5^2\times {\mathrm{1987}}^1$

素因数の和:2014

約数の個数: 120

約数和(自身を含む): 76418720

約数和(自身を除く): 54959120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 90, 100, 108, 120, 135, 144, 150, 180, 200, 216, 225, 240, 270, 300, 360, 400, 432, 450, 540, 600, 675, 720, 900, 1080, 1200, 1350, 1800, 1987, 2160, 2700, 3600, 3974, 5400, 5961, 7948, 9935, 10800, 11922, 15896, 17883, 19870, 23844, 29805, 31792, 35766, 39740, 47688, 49675, 53649, 59610, 71532, 79480, 89415, 95376, 99350, 107298, 119220, 143064, 149025, 158960, 178830, 198700, 214596, 238440, 268245, 286128, 298050, 357660, 397400, 429192, 447075, 476880, 536490, 596100, 715320, 794800, 858384, 894150, 1072980, 1192200, 1341225, 1430640, 1788300, 2145960, 2384400, 2682450, 3576600, 4291920, 5364900, 7153200, 10729800, 21459600]

約数ペア:

[(1, 21459600), (2, 10729800), (3, 7153200), (4, 5364900), (5, 4291920), (6, 3576600), (8, 2682450), (9, 2384400), (10, 2145960), (12, 1788300), (15, 1430640), (16, 1341225), (18, 1192200), (20, 1072980), (24, 894150), (25, 858384), (27, 794800), (30, 715320), (36, 596100), (40, 536490), (45, 476880), (48, 447075), (50, 429192), (54, 397400), (60, 357660), (72, 298050), (75, 286128), (80, 268245), (90, 238440), (100, 214596), (108, 198700), (120, 178830), (135, 158960), (144, 149025), (150, 143064), (180, 119220), (200, 107298), (216, 99350), (225, 95376), (240, 89415), (270, 79480), (300, 71532), (360, 59610), (400, 53649), (432, 49675), (450, 47688), (540, 39740), (600, 35766), (675, 31792), (720, 29805), (900, 23844), (1080, 19870), (1200, 17883), (1350, 15896), (1800, 11922), (1987, 10800), (2160, 9935), (2700, 7948), (3600, 5961), (3974, 5400)]