640161097440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1333668953}}^1$

素因数の和:1333668971

約数の個数: 48

約数和(自身を含む): 2016507458448

約数和(自身を除く): 1376346361008

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1333668953, 2667337906, 4001006859, 5334675812, 6668344765, 8002013718, 10669351624, 13336689530, 16004027436, 20005034295, 21338703248, 26673379060, 32008054872, 40010068590, 42677406496, 53346758120, 64016109744, 80020137180, 106693516240, 128032219488, 160040274360, 213387032480, 320080548720, 640161097440]

約数ペア:

[(1, 640161097440), (2, 320080548720), (3, 213387032480), (4, 160040274360), (5, 128032219488), (6, 106693516240), (8, 80020137180), (10, 64016109744), (12, 53346758120), (15, 42677406496), (16, 40010068590), (20, 32008054872), (24, 26673379060), (30, 21338703248), (32, 20005034295), (40, 16004027436), (48, 13336689530), (60, 10669351624), (80, 8002013718), (96, 6668344765), (120, 5334675812), (160, 4001006859), (240, 2667337906), (480, 1333668953)]