244190720

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 160

約数和(自身を含む): 643458816

約数和(自身を除く): 399268096

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 181, 248, 256, 272, 310, 320, 340, 362, 496, 512, 527, 544, 620, 640, 680, 724, 905, 992, 1054, 1088, 1240, 1280, 1360, 1448, 1810, 1984, 2108, 2176, 2480, 2560, 2635, 2720, 2896, 3077, 3620, 3968, 4216, 4352, 4960, 5270, 5440, 5611, 5792, 6154, 7240, 7936, 8432, 8704, 9920, 10540, 10880, 11222, 11584, 12308, 14480, 15385, 15872, 16864, 19840, 21080, 21760, 22444, 23168, 24616, 28055, 28960, 30770, 33728, 39680, 42160, 43520, 44888, 46336, 49232, 56110, 57920, 61540, 67456, 79360, 84320, 89776, 92672, 95387, 98464, 112220, 115840, 123080, 134912, 168640, 179552, 190774, 196928, 224440, 231680, 246160, 269824, 337280, 359104, 381548, 393856, 448880, 463360, 476935, 492320, 674560, 718208, 763096, 787712, 897760, 953870, 984640, 1349120, 1436416, 1526192, 1575424, 1795520, 1907740, 1969280, 2872832, 3052384, 3591040, 3815480, 3938560, 6104768, 7182080, 7630960, 7877120, 12209536, 14364160, 15261920, 24419072, 30523840, 48838144, 61047680, 122095360, 244190720]

約数ペア:

[(1, 244190720), (2, 122095360), (4, 61047680), (5, 48838144), (8, 30523840), (10, 24419072), (16, 15261920), (17, 14364160), (20, 12209536), (31, 7877120), (32, 7630960), (34, 7182080), (40, 6104768), (62, 3938560), (64, 3815480), (68, 3591040), (80, 3052384), (85, 2872832), (124, 1969280), (128, 1907740), (136, 1795520), (155, 1575424), (160, 1526192), (170, 1436416), (181, 1349120), (248, 984640), (256, 953870), (272, 897760), (310, 787712), (320, 763096), (340, 718208), (362, 674560), (496, 492320), (512, 476935), (527, 463360), (544, 448880), (620, 393856), (640, 381548), (680, 359104), (724, 337280), (905, 269824), (992, 246160), (1054, 231680), (1088, 224440), (1240, 196928), (1280, 190774), (1360, 179552), (1448, 168640), (1810, 134912), (1984, 123080), (2108, 115840), (2176, 112220), (2480, 98464), (2560, 95387), (2635, 92672), (2720, 89776), (2896, 84320), (3077, 79360), (3620, 67456), (3968, 61540), (4216, 57920), (4352, 56110), (4960, 49232), (5270, 46336), (5440, 44888), (5611, 43520), (5792, 42160), (6154, 39680), (7240, 33728), (7936, 30770), (8432, 28960), (8704, 28055), (9920, 24616), (10540, 23168), (10880, 22444), (11222, 21760), (11584, 21080), (12308, 19840), (14480, 16864), (15385, 15872)]