16480660

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 41023584

約数和(自身を除く): 24542924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 251, 268, 335, 469, 490, 502, 670, 938, 980, 1004, 1255, 1340, 1757, 1876, 2345, 2510, 3283, 3514, 4690, 5020, 6566, 7028, 8785, 9380, 12299, 13132, 16415, 16817, 17570, 24598, 32830, 33634, 35140, 49196, 61495, 65660, 67268, 84085, 117719, 122990, 168170, 235438, 245980, 336340, 470876, 588595, 824033, 1177190, 1648066, 2354380, 3296132, 4120165, 8240330, 16480660]

約数ペア:

[(1, 16480660), (2, 8240330), (4, 4120165), (5, 3296132), (7, 2354380), (10, 1648066), (14, 1177190), (20, 824033), (28, 588595), (35, 470876), (49, 336340), (67, 245980), (70, 235438), (98, 168170), (134, 122990), (140, 117719), (196, 84085), (245, 67268), (251, 65660), (268, 61495), (335, 49196), (469, 35140), (490, 33634), (502, 32830), (670, 24598), (938, 17570), (980, 16817), (1004, 16415), (1255, 13132), (1340, 12299), (1757, 9380), (1876, 8785), (2345, 7028), (2510, 6566), (3283, 5020), (3514, 4690)]