291419520

素因数分解:

$2^7\times 3^1\times 5^1\times 7^1\times {\mathrm{21683}}^1$

素因数の和:21712

約数の個数: 128

約数和(自身を含む): 1061648640

約数和(自身を除く): 770229120

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, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 840, 896, 960, 1120, 1344, 1680, 1920, 2240, 2688, 3360, 4480, 6720, 13440, 21683, 43366, 65049, 86732, 108415, 130098, 151781, 173464, 216830, 260196, 303562, 325245, 346928, 433660, 455343, 520392, 607124, 650490, 693856, 758905, 867320, 910686, 1040784, 1214248, 1300980, 1387712, 1517810, 1734640, 1821372, 2081568, 2276715, 2428496, 2601960, 2775424, 3035620, 3469280, 3642744, 4163136, 4553430, 4856992, 5203920, 6071240, 6938560, 7285488, 8326272, 9106860, 9713984, 10407840, 12142480, 13877120, 14570976, 18213720, 19427968, 20815680, 24284960, 29141952, 36427440, 41631360, 48569920, 58283904, 72854880, 97139840, 145709760, 291419520]

約数ペア:

[(1, 291419520), (2, 145709760), (3, 97139840), (4, 72854880), (5, 58283904), (6, 48569920), (7, 41631360), (8, 36427440), (10, 29141952), (12, 24284960), (14, 20815680), (15, 19427968), (16, 18213720), (20, 14570976), (21, 13877120), (24, 12142480), (28, 10407840), (30, 9713984), (32, 9106860), (35, 8326272), (40, 7285488), (42, 6938560), (48, 6071240), (56, 5203920), (60, 4856992), (64, 4553430), (70, 4163136), (80, 3642744), (84, 3469280), (96, 3035620), (105, 2775424), (112, 2601960), (120, 2428496), (128, 2276715), (140, 2081568), (160, 1821372), (168, 1734640), (192, 1517810), (210, 1387712), (224, 1300980), (240, 1214248), (280, 1040784), (320, 910686), (336, 867320), (384, 758905), (420, 693856), (448, 650490), (480, 607124), (560, 520392), (640, 455343), (672, 433660), (840, 346928), (896, 325245), (960, 303562), (1120, 260196), (1344, 216830), (1680, 173464), (1920, 151781), (2240, 130098), (2688, 108415), (3360, 86732), (4480, 65049), (6720, 43366), (13440, 21683)]