68669580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23357}}^1$

素因数の和:23383

約数の個数: 72

約数和(自身を含む): 223676208

約数和(自身を除く): 155006628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23357, 46714, 70071, 93428, 116785, 140142, 163499, 233570, 280284, 326998, 350355, 467140, 490497, 653996, 700710, 817495, 980994, 1144493, 1401420, 1634990, 1961988, 2288986, 2452485, 3269980, 3433479, 4577972, 4904970, 5722465, 6866958, 9809940, 11444930, 13733916, 17167395, 22889860, 34334790, 68669580]

約数ペア:

[(1, 68669580), (2, 34334790), (3, 22889860), (4, 17167395), (5, 13733916), (6, 11444930), (7, 9809940), (10, 6866958), (12, 5722465), (14, 4904970), (15, 4577972), (20, 3433479), (21, 3269980), (28, 2452485), (30, 2288986), (35, 1961988), (42, 1634990), (49, 1401420), (60, 1144493), (70, 980994), (84, 817495), (98, 700710), (105, 653996), (140, 490497), (147, 467140), (196, 350355), (210, 326998), (245, 280284), (294, 233570), (420, 163499), (490, 140142), (588, 116785), (735, 93428), (980, 70071), (1470, 46714), (2940, 23357)]