129257240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{20071}}^1$

素因数の和:20112

約数の個数: 64

約数和(自身を含む): 346844160

約数和(自身を除く): 217586920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 20071, 40142, 80284, 100355, 140497, 160568, 200710, 280994, 401420, 461633, 561988, 702485, 802840, 923266, 1123976, 1404970, 1846532, 2308165, 2809940, 3231431, 3693064, 4616330, 5619880, 6462862, 9232660, 12925724, 16157155, 18465320, 25851448, 32314310, 64628620, 129257240]

約数ペア:

[(1, 129257240), (2, 64628620), (4, 32314310), (5, 25851448), (7, 18465320), (8, 16157155), (10, 12925724), (14, 9232660), (20, 6462862), (23, 5619880), (28, 4616330), (35, 3693064), (40, 3231431), (46, 2809940), (56, 2308165), (70, 1846532), (92, 1404970), (115, 1123976), (140, 923266), (161, 802840), (184, 702485), (230, 561988), (280, 461633), (322, 401420), (460, 280994), (644, 200710), (805, 160568), (920, 140497), (1288, 100355), (1610, 80284), (3220, 40142), (6440, 20071)]