204511140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1493}}^1$

素因数の和:2269

約数の個数: 72

約数和(自身を含む): 621581688

約数和(自身を除く): 417070548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 761, 1493, 1522, 2283, 2986, 3044, 3805, 4479, 4566, 5972, 6849, 7465, 7610, 8958, 9132, 11415, 13437, 13698, 14930, 15220, 17916, 22395, 22830, 26874, 27396, 29860, 34245, 44790, 45660, 53748, 67185, 68490, 89580, 134370, 136980, 268740, 1136173, 2272346, 3408519, 4544692, 5680865, 6817038, 10225557, 11361730, 13634076, 17042595, 20451114, 22723460, 34085190, 40902228, 51127785, 68170380, 102255570, 204511140]

約数ペア:

[(1, 204511140), (2, 102255570), (3, 68170380), (4, 51127785), (5, 40902228), (6, 34085190), (9, 22723460), (10, 20451114), (12, 17042595), (15, 13634076), (18, 11361730), (20, 10225557), (30, 6817038), (36, 5680865), (45, 4544692), (60, 3408519), (90, 2272346), (180, 1136173), (761, 268740), (1493, 136980), (1522, 134370), (2283, 89580), (2986, 68490), (3044, 67185), (3805, 53748), (4479, 45660), (4566, 44790), (5972, 34245), (6849, 29860), (7465, 27396), (7610, 26874), (8958, 22830), (9132, 22395), (11415, 17916), (13437, 15220), (13698, 14930)]