130620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{311}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 419328

約数和(自身を除く): 288708

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, 311, 420, 622, 933, 1244, 1555, 1866, 2177, 3110, 3732, 4354, 4665, 6220, 6531, 8708, 9330, 10885, 13062, 18660, 21770, 26124, 32655, 43540, 65310, 130620]

約数ペア:

[(1, 130620), (2, 65310), (3, 43540), (4, 32655), (5, 26124), (6, 21770), (7, 18660), (10, 13062), (12, 10885), (14, 9330), (15, 8708), (20, 6531), (21, 6220), (28, 4665), (30, 4354), (35, 3732), (42, 3110), (60, 2177), (70, 1866), (84, 1555), (105, 1244), (140, 933), (210, 622), (311, 420)]