66348940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{857}}^1$

素因数の和:959

約数の個数: 72

約数和(自身を含む): 164324160

約数和(自身を除く): 97975220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 857, 980, 1106, 1580, 1714, 2212, 2765, 3428, 3871, 4285, 5530, 5999, 7742, 8570, 11060, 11998, 15484, 17140, 19355, 23996, 29995, 38710, 41993, 59990, 67703, 77420, 83986, 119980, 135406, 167972, 209965, 270812, 338515, 419930, 473921, 677030, 839860, 947842, 1354060, 1895684, 2369605, 3317447, 4739210, 6634894, 9478420, 13269788, 16587235, 33174470, 66348940]

約数ペア:

[(1, 66348940), (2, 33174470), (4, 16587235), (5, 13269788), (7, 9478420), (10, 6634894), (14, 4739210), (20, 3317447), (28, 2369605), (35, 1895684), (49, 1354060), (70, 947842), (79, 839860), (98, 677030), (140, 473921), (158, 419930), (196, 338515), (245, 270812), (316, 209965), (395, 167972), (490, 135406), (553, 119980), (790, 83986), (857, 77420), (980, 67703), (1106, 59990), (1580, 41993), (1714, 38710), (2212, 29995), (2765, 23996), (3428, 19355), (3871, 17140), (4285, 15484), (5530, 11998), (5999, 11060), (7742, 8570)]