203275520

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{463}}^1$

素因数の和:505

約数の個数: 144

約数和(自身を含む): 569049600

約数和(自身を除く): 365774080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 463, 490, 560, 640, 686, 784, 896, 926, 980, 1120, 1280, 1372, 1568, 1715, 1792, 1852, 1960, 2240, 2315, 2744, 3136, 3241, 3430, 3704, 3920, 4480, 4630, 5488, 6272, 6482, 6860, 7408, 7840, 8960, 9260, 10976, 12544, 12964, 13720, 14816, 15680, 16205, 18520, 21952, 22687, 25928, 27440, 29632, 31360, 32410, 37040, 43904, 45374, 51856, 54880, 59264, 62720, 64820, 74080, 87808, 90748, 103712, 109760, 113435, 118528, 129640, 148160, 158809, 181496, 207424, 219520, 226870, 259280, 296320, 317618, 362992, 414848, 439040, 453740, 518560, 592640, 635236, 725984, 794045, 829696, 907480, 1037120, 1270472, 1451968, 1588090, 1814960, 2074240, 2540944, 2903936, 3176180, 3629920, 4148480, 5081888, 5807872, 6352360, 7259840, 10163776, 12704720, 14519680, 20327552, 25409440, 29039360, 40655104, 50818880, 101637760, 203275520]

約数ペア:

[(1, 203275520), (2, 101637760), (4, 50818880), (5, 40655104), (7, 29039360), (8, 25409440), (10, 20327552), (14, 14519680), (16, 12704720), (20, 10163776), (28, 7259840), (32, 6352360), (35, 5807872), (40, 5081888), (49, 4148480), (56, 3629920), (64, 3176180), (70, 2903936), (80, 2540944), (98, 2074240), (112, 1814960), (128, 1588090), (140, 1451968), (160, 1270472), (196, 1037120), (224, 907480), (245, 829696), (256, 794045), (280, 725984), (320, 635236), (343, 592640), (392, 518560), (448, 453740), (463, 439040), (490, 414848), (560, 362992), (640, 317618), (686, 296320), (784, 259280), (896, 226870), (926, 219520), (980, 207424), (1120, 181496), (1280, 158809), (1372, 148160), (1568, 129640), (1715, 118528), (1792, 113435), (1852, 109760), (1960, 103712), (2240, 90748), (2315, 87808), (2744, 74080), (3136, 64820), (3241, 62720), (3430, 59264), (3704, 54880), (3920, 51856), (4480, 45374), (4630, 43904), (5488, 37040), (6272, 32410), (6482, 31360), (6860, 29632), (7408, 27440), (7840, 25928), (8960, 22687), (9260, 21952), (10976, 18520), (12544, 16205), (12964, 15680), (13720, 14816)]