66818280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{556819}}^1$

素因数の和:556833

約数の個数: 32

約数和(自身を含む): 200455200

約数和(自身を除く): 133636920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 556819, 1113638, 1670457, 2227276, 2784095, 3340914, 4454552, 5568190, 6681828, 8352285, 11136380, 13363656, 16704570, 22272760, 33409140, 66818280]

約数ペア:

[(1, 66818280), (2, 33409140), (3, 22272760), (4, 16704570), (5, 13363656), (6, 11136380), (8, 8352285), (10, 6681828), (12, 5568190), (15, 4454552), (20, 3340914), (24, 2784095), (30, 2227276), (40, 1670457), (60, 1113638), (120, 556819)]