66766960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1493}}^1$

素因数の和:1562

約数の個数: 80

約数和(自身を含む): 171176544

約数和(自身を除く): 104409584

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 688, 860, 1040, 1118, 1493, 1720, 2236, 2795, 2986, 3440, 4472, 5590, 5972, 7465, 8944, 11180, 11944, 14930, 19409, 22360, 23888, 29860, 38818, 44720, 59720, 64199, 77636, 97045, 119440, 128398, 155272, 194090, 256796, 310544, 320995, 388180, 513592, 641990, 776360, 834587, 1027184, 1283980, 1552720, 1669174, 2567960, 3338348, 4172935, 5135920, 6676696, 8345870, 13353392, 16691740, 33383480, 66766960]

約数ペア:

[(1, 66766960), (2, 33383480), (4, 16691740), (5, 13353392), (8, 8345870), (10, 6676696), (13, 5135920), (16, 4172935), (20, 3338348), (26, 2567960), (40, 1669174), (43, 1552720), (52, 1283980), (65, 1027184), (80, 834587), (86, 776360), (104, 641990), (130, 513592), (172, 388180), (208, 320995), (215, 310544), (260, 256796), (344, 194090), (430, 155272), (520, 128398), (559, 119440), (688, 97045), (860, 77636), (1040, 64199), (1118, 59720), (1493, 44720), (1720, 38818), (2236, 29860), (2795, 23888), (2986, 22360), (3440, 19409), (4472, 14930), (5590, 11944), (5972, 11180), (7465, 8944)]