68517120

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{2549}}^1$

素因数の和:2580

約数の個数: 144

約数和(自身を含む): 250185600

約数和(自身を除く): 181668480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2549, 2688, 3360, 3840, 4480, 5098, 5376, 6720, 7647, 8960, 10196, 12745, 13440, 15294, 17843, 20392, 25490, 26880, 30588, 35686, 38235, 40784, 50980, 53529, 61176, 71372, 76470, 81568, 89215, 101960, 107058, 122352, 142744, 152940, 163136, 178430, 203920, 214116, 244704, 267645, 285488, 305880, 326272, 356860, 407840, 428232, 489408, 535290, 570976, 611760, 652544, 713720, 815680, 856464, 978816, 1070580, 1141952, 1223520, 1427440, 1631360, 1712928, 1957632, 2141160, 2283904, 2447040, 2854880, 3262720, 3425856, 4282320, 4567808, 4894080, 5709760, 6851712, 8564640, 9788160, 11419520, 13703424, 17129280, 22839040, 34258560, 68517120]

約数ペア:

[(1, 68517120), (2, 34258560), (3, 22839040), (4, 17129280), (5, 13703424), (6, 11419520), (7, 9788160), (8, 8564640), (10, 6851712), (12, 5709760), (14, 4894080), (15, 4567808), (16, 4282320), (20, 3425856), (21, 3262720), (24, 2854880), (28, 2447040), (30, 2283904), (32, 2141160), (35, 1957632), (40, 1712928), (42, 1631360), (48, 1427440), (56, 1223520), (60, 1141952), (64, 1070580), (70, 978816), (80, 856464), (84, 815680), (96, 713720), (105, 652544), (112, 611760), (120, 570976), (128, 535290), (140, 489408), (160, 428232), (168, 407840), (192, 356860), (210, 326272), (224, 305880), (240, 285488), (256, 267645), (280, 244704), (320, 214116), (336, 203920), (384, 178430), (420, 163136), (448, 152940), (480, 142744), (560, 122352), (640, 107058), (672, 101960), (768, 89215), (840, 81568), (896, 76470), (960, 71372), (1120, 61176), (1280, 53529), (1344, 50980), (1680, 40784), (1792, 38235), (1920, 35686), (2240, 30588), (2549, 26880), (2688, 25490), (3360, 20392), (3840, 17843), (4480, 15294), (5098, 13440), (5376, 12745), (6720, 10196), (7647, 8960)]