150720780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{358859}}^1$

素因数の和:358878

約数の個数: 48

約数和(自身を含む): 482307840

約数和(自身を除く): 331587060

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, 358859, 717718, 1076577, 1435436, 1794295, 2153154, 2512013, 3588590, 4306308, 5024026, 5382885, 7177180, 7536039, 10048052, 10765770, 12560065, 15072078, 21531540, 25120130, 30144156, 37680195, 50240260, 75360390, 150720780]

約数ペア:

[(1, 150720780), (2, 75360390), (3, 50240260), (4, 37680195), (5, 30144156), (6, 25120130), (7, 21531540), (10, 15072078), (12, 12560065), (14, 10765770), (15, 10048052), (20, 7536039), (21, 7177180), (28, 5382885), (30, 5024026), (35, 4306308), (42, 3588590), (60, 2512013), (70, 2153154), (84, 1794295), (105, 1435436), (140, 1076577), (210, 717718), (420, 358859)]