66478920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{553991}}^1$

素因数の和:554005

約数の個数: 32

約数和(自身を含む): 199437120

約数和(自身を除く): 132958200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 553991, 1107982, 1661973, 2215964, 2769955, 3323946, 4431928, 5539910, 6647892, 8309865, 11079820, 13295784, 16619730, 22159640, 33239460, 66478920]

約数ペア:

[(1, 66478920), (2, 33239460), (3, 22159640), (4, 16619730), (5, 13295784), (6, 11079820), (8, 8309865), (10, 6647892), (12, 5539910), (15, 4431928), (20, 3323946), (24, 2769955), (30, 2215964), (40, 1661973), (60, 1107982), (120, 553991)]