68729360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 120

約数和(自身を含む): 188927640

約数和(自身を除く): 120198280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 197, 245, 280, 356, 392, 394, 445, 490, 560, 623, 712, 784, 788, 890, 980, 985, 1246, 1379, 1424, 1576, 1780, 1960, 1970, 2492, 2758, 3115, 3152, 3560, 3920, 3940, 4361, 4984, 5516, 6230, 6895, 7120, 7880, 8722, 9653, 9968, 11032, 12460, 13790, 15760, 17444, 17533, 19306, 21805, 22064, 24920, 27580, 34888, 35066, 38612, 43610, 48265, 49840, 55160, 69776, 70132, 77224, 87220, 87665, 96530, 110320, 122731, 140264, 154448, 174440, 175330, 193060, 245462, 280528, 348880, 350660, 386120, 490924, 613655, 701320, 772240, 859117, 981848, 1227310, 1402640, 1718234, 1963696, 2454620, 3436468, 4295585, 4909240, 6872936, 8591170, 9818480, 13745872, 17182340, 34364680, 68729360]

約数ペア:

[(1, 68729360), (2, 34364680), (4, 17182340), (5, 13745872), (7, 9818480), (8, 8591170), (10, 6872936), (14, 4909240), (16, 4295585), (20, 3436468), (28, 2454620), (35, 1963696), (40, 1718234), (49, 1402640), (56, 1227310), (70, 981848), (80, 859117), (89, 772240), (98, 701320), (112, 613655), (140, 490924), (178, 386120), (196, 350660), (197, 348880), (245, 280528), (280, 245462), (356, 193060), (392, 175330), (394, 174440), (445, 154448), (490, 140264), (560, 122731), (623, 110320), (712, 96530), (784, 87665), (788, 87220), (890, 77224), (980, 70132), (985, 69776), (1246, 55160), (1379, 49840), (1424, 48265), (1576, 43610), (1780, 38612), (1960, 35066), (1970, 34888), (2492, 27580), (2758, 24920), (3115, 22064), (3152, 21805), (3560, 19306), (3920, 17533), (3940, 17444), (4361, 15760), (4984, 13790), (5516, 12460), (6230, 11032), (6895, 9968), (7120, 9653), (7880, 8722)]