4720520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 12683520

約数和(自身を除く): 7963000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 733, 805, 920, 1288, 1466, 1610, 2932, 3220, 3665, 5131, 5864, 6440, 7330, 10262, 14660, 16859, 20524, 25655, 29320, 33718, 41048, 51310, 67436, 84295, 102620, 118013, 134872, 168590, 205240, 236026, 337180, 472052, 590065, 674360, 944104, 1180130, 2360260, 4720520]

約数ペア:

[(1, 4720520), (2, 2360260), (4, 1180130), (5, 944104), (7, 674360), (8, 590065), (10, 472052), (14, 337180), (20, 236026), (23, 205240), (28, 168590), (35, 134872), (40, 118013), (46, 102620), (56, 84295), (70, 67436), (92, 51310), (115, 41048), (140, 33718), (161, 29320), (184, 25655), (230, 20524), (280, 16859), (322, 14660), (460, 10262), (644, 7330), (733, 6440), (805, 5864), (920, 5131), (1288, 3665), (1466, 3220), (1610, 2932)]