71420720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1433}}^1$

素因数の和:1542

約数の個数: 80

約数和(自身を含む): 192041280

約数和(自身を除く): 120620560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 178, 280, 356, 445, 560, 623, 712, 890, 1246, 1424, 1433, 1780, 2492, 2866, 3115, 3560, 4984, 5732, 6230, 7120, 7165, 9968, 10031, 11464, 12460, 14330, 20062, 22928, 24920, 28660, 40124, 49840, 50155, 57320, 80248, 100310, 114640, 127537, 160496, 200620, 255074, 401240, 510148, 637685, 802480, 892759, 1020296, 1275370, 1785518, 2040592, 2550740, 3571036, 4463795, 5101480, 7142072, 8927590, 10202960, 14284144, 17855180, 35710360, 71420720]

約数ペア:

[(1, 71420720), (2, 35710360), (4, 17855180), (5, 14284144), (7, 10202960), (8, 8927590), (10, 7142072), (14, 5101480), (16, 4463795), (20, 3571036), (28, 2550740), (35, 2040592), (40, 1785518), (56, 1275370), (70, 1020296), (80, 892759), (89, 802480), (112, 637685), (140, 510148), (178, 401240), (280, 255074), (356, 200620), (445, 160496), (560, 127537), (623, 114640), (712, 100310), (890, 80248), (1246, 57320), (1424, 50155), (1433, 49840), (1780, 40124), (2492, 28660), (2866, 24920), (3115, 22928), (3560, 20062), (4984, 14330), (5732, 12460), (6230, 11464), (7120, 10031), (7165, 9968)]