489413120

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{881}}^1$

素因数の和:942

約数の個数: 160

約数和(自身を含む): 1385911296

約数和(自身を除く): 896498176

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 256, 280, 310, 320, 434, 448, 496, 512, 560, 620, 640, 868, 881, 896, 992, 1085, 1120, 1240, 1280, 1736, 1762, 1792, 1984, 2170, 2240, 2480, 2560, 3472, 3524, 3584, 3968, 4340, 4405, 4480, 4960, 6167, 6944, 7048, 7936, 8680, 8810, 8960, 9920, 12334, 13888, 14096, 15872, 17360, 17620, 17920, 19840, 24668, 27311, 27776, 28192, 30835, 34720, 35240, 39680, 49336, 54622, 55552, 56384, 61670, 69440, 70480, 79360, 98672, 109244, 111104, 112768, 123340, 136555, 138880, 140960, 191177, 197344, 218488, 225536, 246680, 273110, 277760, 281920, 382354, 394688, 436976, 451072, 493360, 546220, 555520, 563840, 764708, 789376, 873952, 955885, 986720, 1092440, 1127680, 1529416, 1578752, 1747904, 1911770, 1973440, 2184880, 2255360, 3058832, 3157504, 3495808, 3823540, 3946880, 4369760, 6117664, 6991616, 7647080, 7893760, 8739520, 12235328, 13983232, 15294160, 15787520, 17479040, 24470656, 30588320, 34958080, 48941312, 61176640, 69916160, 97882624, 122353280, 244706560, 489413120]

約数ペア:

[(1, 489413120), (2, 244706560), (4, 122353280), (5, 97882624), (7, 69916160), (8, 61176640), (10, 48941312), (14, 34958080), (16, 30588320), (20, 24470656), (28, 17479040), (31, 15787520), (32, 15294160), (35, 13983232), (40, 12235328), (56, 8739520), (62, 7893760), (64, 7647080), (70, 6991616), (80, 6117664), (112, 4369760), (124, 3946880), (128, 3823540), (140, 3495808), (155, 3157504), (160, 3058832), (217, 2255360), (224, 2184880), (248, 1973440), (256, 1911770), (280, 1747904), (310, 1578752), (320, 1529416), (434, 1127680), (448, 1092440), (496, 986720), (512, 955885), (560, 873952), (620, 789376), (640, 764708), (868, 563840), (881, 555520), (896, 546220), (992, 493360), (1085, 451072), (1120, 436976), (1240, 394688), (1280, 382354), (1736, 281920), (1762, 277760), (1792, 273110), (1984, 246680), (2170, 225536), (2240, 218488), (2480, 197344), (2560, 191177), (3472, 140960), (3524, 138880), (3584, 136555), (3968, 123340), (4340, 112768), (4405, 111104), (4480, 109244), (4960, 98672), (6167, 79360), (6944, 70480), (7048, 69440), (7936, 61670), (8680, 56384), (8810, 55552), (8960, 54622), (9920, 49336), (12334, 39680), (13888, 35240), (14096, 34720), (15872, 30835), (17360, 28192), (17620, 27776), (17920, 27311), (19840, 24668)]