68664680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{661}}^1$

素因数の和:739

約数の個数: 96

約数和(自身を含む): 183387240

約数和(自身を除く): 114722560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 53, 56, 70, 98, 106, 140, 196, 212, 245, 265, 280, 371, 392, 424, 490, 530, 661, 742, 980, 1060, 1322, 1484, 1855, 1960, 2120, 2597, 2644, 2968, 3305, 3710, 4627, 5194, 5288, 6610, 7420, 9254, 10388, 12985, 13220, 14840, 18508, 20776, 23135, 25970, 26440, 32389, 35033, 37016, 46270, 51940, 64778, 70066, 92540, 103880, 129556, 140132, 161945, 175165, 185080, 245231, 259112, 280264, 323890, 350330, 490462, 647780, 700660, 980924, 1226155, 1295560, 1401320, 1716617, 1961848, 2452310, 3433234, 4904620, 6866468, 8583085, 9809240, 13732936, 17166170, 34332340, 68664680]

約数ペア:

[(1, 68664680), (2, 34332340), (4, 17166170), (5, 13732936), (7, 9809240), (8, 8583085), (10, 6866468), (14, 4904620), (20, 3433234), (28, 2452310), (35, 1961848), (40, 1716617), (49, 1401320), (53, 1295560), (56, 1226155), (70, 980924), (98, 700660), (106, 647780), (140, 490462), (196, 350330), (212, 323890), (245, 280264), (265, 259112), (280, 245231), (371, 185080), (392, 175165), (424, 161945), (490, 140132), (530, 129556), (661, 103880), (742, 92540), (980, 70066), (1060, 64778), (1322, 51940), (1484, 46270), (1855, 37016), (1960, 35033), (2120, 32389), (2597, 26440), (2644, 25970), (2968, 23135), (3305, 20776), (3710, 18508), (4627, 14840), (5194, 13220), (5288, 12985), (6610, 10388), (7420, 9254)]