711337520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{809}}^1$

素因数の和:1230

約数の個数: 80

約数和(自身を含む): 1717524000

約数和(自身を除く): 1006186480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 379, 464, 580, 758, 809, 1160, 1516, 1618, 1895, 2320, 3032, 3236, 3790, 4045, 6064, 6472, 7580, 8090, 10991, 12944, 15160, 16180, 21982, 23461, 30320, 32360, 43964, 46922, 54955, 64720, 87928, 93844, 109910, 117305, 175856, 187688, 219820, 234610, 306611, 375376, 439640, 469220, 613222, 879280, 938440, 1226444, 1533055, 1876880, 2452888, 3066110, 4905776, 6132220, 8891719, 12264440, 17783438, 24528880, 35566876, 44458595, 71133752, 88917190, 142267504, 177834380, 355668760, 711337520]

約数ペア:

[(1, 711337520), (2, 355668760), (4, 177834380), (5, 142267504), (8, 88917190), (10, 71133752), (16, 44458595), (20, 35566876), (29, 24528880), (40, 17783438), (58, 12264440), (80, 8891719), (116, 6132220), (145, 4905776), (232, 3066110), (290, 2452888), (379, 1876880), (464, 1533055), (580, 1226444), (758, 938440), (809, 879280), (1160, 613222), (1516, 469220), (1618, 439640), (1895, 375376), (2320, 306611), (3032, 234610), (3236, 219820), (3790, 187688), (4045, 175856), (6064, 117305), (6472, 109910), (7580, 93844), (8090, 87928), (10991, 64720), (12944, 54955), (15160, 46922), (16180, 43964), (21982, 32360), (23461, 30320)]