72160620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{171811}}^1$

素因数の和:171830

約数の個数: 48

約数和(自身を含む): 230915328

約数和(自身を除く): 158754708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 171811, 343622, 515433, 687244, 859055, 1030866, 1202677, 1718110, 2061732, 2405354, 2577165, 3436220, 3608031, 4810708, 5154330, 6013385, 7216062, 10308660, 12026770, 14432124, 18040155, 24053540, 36080310, 72160620]

約数ペア:

[(1, 72160620), (2, 36080310), (3, 24053540), (4, 18040155), (5, 14432124), (6, 12026770), (7, 10308660), (10, 7216062), (12, 6013385), (14, 5154330), (15, 4810708), (20, 3608031), (21, 3436220), (28, 2577165), (30, 2405354), (35, 2061732), (42, 1718110), (60, 1202677), (70, 1030866), (84, 859055), (105, 687244), (140, 515433), (210, 343622), (420, 171811)]