240689920

素因数分解:

$2^8\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4373}}^1$

素因数の和:4437

約数の個数: 72

約数和(自身を含む): 590070096

約数和(自身を除く): 349380176

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 640, 688, 860, 1280, 1376, 1720, 2752, 3440, 4373, 5504, 6880, 8746, 11008, 13760, 17492, 21865, 27520, 34984, 43730, 55040, 69968, 87460, 139936, 174920, 188039, 279872, 349840, 376078, 559744, 699680, 752156, 940195, 1119488, 1399360, 1504312, 1880390, 2798720, 3008624, 3760780, 5597440, 6017248, 7521560, 12034496, 15043120, 24068992, 30086240, 48137984, 60172480, 120344960, 240689920]

約数ペア:

[(1, 240689920), (2, 120344960), (4, 60172480), (5, 48137984), (8, 30086240), (10, 24068992), (16, 15043120), (20, 12034496), (32, 7521560), (40, 6017248), (43, 5597440), (64, 3760780), (80, 3008624), (86, 2798720), (128, 1880390), (160, 1504312), (172, 1399360), (215, 1119488), (256, 940195), (320, 752156), (344, 699680), (430, 559744), (640, 376078), (688, 349840), (860, 279872), (1280, 188039), (1376, 174920), (1720, 139936), (2752, 87460), (3440, 69968), (4373, 55040), (5504, 43730), (6880, 34984), (8746, 27520), (11008, 21865), (13760, 17492)]