247908320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1783}}^1$

素因数の和:1888

約数の個数: 96

約数和(自身を含む): 647377920

約数和(自身を除く): 399469600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 79, 80, 88, 110, 158, 160, 176, 220, 316, 352, 395, 440, 632, 790, 869, 880, 1264, 1580, 1738, 1760, 1783, 2528, 3160, 3476, 3566, 4345, 6320, 6952, 7132, 8690, 8915, 12640, 13904, 14264, 17380, 17830, 19613, 27808, 28528, 34760, 35660, 39226, 57056, 69520, 71320, 78452, 98065, 139040, 140857, 142640, 156904, 196130, 281714, 285280, 313808, 392260, 563428, 627616, 704285, 784520, 1126856, 1408570, 1549427, 1569040, 2253712, 2817140, 3098854, 3138080, 4507424, 5634280, 6197708, 7747135, 11268560, 12395416, 15494270, 22537120, 24790832, 30988540, 49581664, 61977080, 123954160, 247908320]

約数ペア:

[(1, 247908320), (2, 123954160), (4, 61977080), (5, 49581664), (8, 30988540), (10, 24790832), (11, 22537120), (16, 15494270), (20, 12395416), (22, 11268560), (32, 7747135), (40, 6197708), (44, 5634280), (55, 4507424), (79, 3138080), (80, 3098854), (88, 2817140), (110, 2253712), (158, 1569040), (160, 1549427), (176, 1408570), (220, 1126856), (316, 784520), (352, 704285), (395, 627616), (440, 563428), (632, 392260), (790, 313808), (869, 285280), (880, 281714), (1264, 196130), (1580, 156904), (1738, 142640), (1760, 140857), (1783, 139040), (2528, 98065), (3160, 78452), (3476, 71320), (3566, 69520), (4345, 57056), (6320, 39226), (6952, 35660), (7132, 34760), (8690, 28528), (8915, 27808), (12640, 19613), (13904, 17830), (14264, 17380)]