68172660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{467}}^1\times {\mathrm{811}}^1$

素因数の和:1293

約数の個数: 72

約数和(自身を含む): 207488736

約数和(自身を除く): 139316076

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 467, 811, 934, 1401, 1622, 1868, 2335, 2433, 2802, 3244, 4055, 4203, 4670, 4866, 5604, 7005, 7299, 8110, 8406, 9340, 9732, 12165, 14010, 14598, 16220, 16812, 21015, 24330, 28020, 29196, 36495, 42030, 48660, 72990, 84060, 145980, 378737, 757474, 1136211, 1514948, 1893685, 2272422, 3408633, 3787370, 4544844, 5681055, 6817266, 7574740, 11362110, 13634532, 17043165, 22724220, 34086330, 68172660]

約数ペア:

[(1, 68172660), (2, 34086330), (3, 22724220), (4, 17043165), (5, 13634532), (6, 11362110), (9, 7574740), (10, 6817266), (12, 5681055), (15, 4544844), (18, 3787370), (20, 3408633), (30, 2272422), (36, 1893685), (45, 1514948), (60, 1136211), (90, 757474), (180, 378737), (467, 145980), (811, 84060), (934, 72990), (1401, 48660), (1622, 42030), (1868, 36495), (2335, 29196), (2433, 28020), (2802, 24330), (3244, 21015), (4055, 16812), (4203, 16220), (4670, 14598), (4866, 14010), (5604, 12165), (7005, 9732), (7299, 9340), (8110, 8406)]