2511270

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:218

約数の個数: 64

約数和(自身を含む): 6842880

約数和(自身を除く): 4331610

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 71, 90, 131, 135, 142, 213, 262, 270, 355, 393, 426, 639, 655, 710, 786, 1065, 1179, 1278, 1310, 1917, 1965, 2130, 2358, 3195, 3537, 3834, 3930, 5895, 6390, 7074, 9301, 9585, 11790, 17685, 18602, 19170, 27903, 35370, 46505, 55806, 83709, 93010, 139515, 167418, 251127, 279030, 418545, 502254, 837090, 1255635, 2511270]

約数ペア:

[(1, 2511270), (2, 1255635), (3, 837090), (5, 502254), (6, 418545), (9, 279030), (10, 251127), (15, 167418), (18, 139515), (27, 93010), (30, 83709), (45, 55806), (54, 46505), (71, 35370), (90, 27903), (131, 19170), (135, 18602), (142, 17685), (213, 11790), (262, 9585), (270, 9301), (355, 7074), (393, 6390), (426, 5895), (639, 3930), (655, 3834), (710, 3537), (786, 3195), (1065, 2358), (1179, 2130), (1278, 1965), (1310, 1917)]