87345440

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{857}}^1$

素因数の和:899

約数の個数: 144

約数和(自身を含む): 258810552

約数和(自身を除く): 171465112

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 857, 910, 980, 1040, 1120, 1274, 1456, 1568, 1714, 1820, 1960, 2080, 2548, 2912, 3185, 3428, 3640, 3920, 4285, 5096, 5999, 6370, 6856, 7280, 7840, 8570, 10192, 11141, 11998, 12740, 13712, 14560, 17140, 20384, 22282, 23996, 25480, 27424, 29995, 34280, 41993, 44564, 47992, 50960, 55705, 59990, 68560, 77987, 83986, 89128, 95984, 101920, 111410, 119980, 137120, 155974, 167972, 178256, 191968, 209965, 222820, 239960, 311948, 335944, 356512, 389935, 419930, 445640, 479920, 545909, 623896, 671888, 779870, 839860, 891280, 959840, 1091818, 1247792, 1343776, 1559740, 1679720, 1782560, 2183636, 2495584, 2729545, 3119480, 3359440, 4367272, 5459090, 6238960, 6718880, 8734544, 10918180, 12477920, 17469088, 21836360, 43672720, 87345440]

約数ペア:

[(1, 87345440), (2, 43672720), (4, 21836360), (5, 17469088), (7, 12477920), (8, 10918180), (10, 8734544), (13, 6718880), (14, 6238960), (16, 5459090), (20, 4367272), (26, 3359440), (28, 3119480), (32, 2729545), (35, 2495584), (40, 2183636), (49, 1782560), (52, 1679720), (56, 1559740), (65, 1343776), (70, 1247792), (80, 1091818), (91, 959840), (98, 891280), (104, 839860), (112, 779870), (130, 671888), (140, 623896), (160, 545909), (182, 479920), (196, 445640), (208, 419930), (224, 389935), (245, 356512), (260, 335944), (280, 311948), (364, 239960), (392, 222820), (416, 209965), (455, 191968), (490, 178256), (520, 167972), (560, 155974), (637, 137120), (728, 119980), (784, 111410), (857, 101920), (910, 95984), (980, 89128), (1040, 83986), (1120, 77987), (1274, 68560), (1456, 59990), (1568, 55705), (1714, 50960), (1820, 47992), (1960, 44564), (2080, 41993), (2548, 34280), (2912, 29995), (3185, 27424), (3428, 25480), (3640, 23996), (3920, 22282), (4285, 20384), (5096, 17140), (5999, 14560), (6370, 13712), (6856, 12740), (7280, 11998), (7840, 11141), (8570, 10192)]