64877480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{727}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 154103040

約数和(自身を除く): 89225560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 460, 485, 727, 776, 920, 970, 1454, 1940, 2231, 2908, 3635, 3880, 4462, 5816, 7270, 8924, 11155, 14540, 16721, 17848, 22310, 29080, 33442, 44620, 66884, 70519, 83605, 89240, 133768, 141038, 167210, 282076, 334420, 352595, 564152, 668840, 705190, 1410380, 1621937, 2820760, 3243874, 6487748, 8109685, 12975496, 16219370, 32438740, 64877480]

約数ペア:

[(1, 64877480), (2, 32438740), (4, 16219370), (5, 12975496), (8, 8109685), (10, 6487748), (20, 3243874), (23, 2820760), (40, 1621937), (46, 1410380), (92, 705190), (97, 668840), (115, 564152), (184, 352595), (194, 334420), (230, 282076), (388, 167210), (460, 141038), (485, 133768), (727, 89240), (776, 83605), (920, 70519), (970, 66884), (1454, 44620), (1940, 33442), (2231, 29080), (2908, 22310), (3635, 17848), (3880, 16721), (4462, 14540), (5816, 11155), (7270, 8924)]