255521640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193577}}^1$

素因数の和:193602

約数の個数: 64

約数和(自身を含む): 836256960

約数和(自身を除く): 580735320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 193577, 387154, 580731, 774308, 967885, 1161462, 1548616, 1935770, 2129347, 2322924, 2903655, 3871540, 4258694, 4645848, 5807310, 6388041, 7743080, 8517388, 10646735, 11614620, 12776082, 17034776, 21293470, 23229240, 25552164, 31940205, 42586940, 51104328, 63880410, 85173880, 127760820, 255521640]

約数ペア:

[(1, 255521640), (2, 127760820), (3, 85173880), (4, 63880410), (5, 51104328), (6, 42586940), (8, 31940205), (10, 25552164), (11, 23229240), (12, 21293470), (15, 17034776), (20, 12776082), (22, 11614620), (24, 10646735), (30, 8517388), (33, 7743080), (40, 6388041), (44, 5807310), (55, 4645848), (60, 4258694), (66, 3871540), (88, 2903655), (110, 2322924), (120, 2129347), (132, 1935770), (165, 1548616), (220, 1161462), (264, 967885), (330, 774308), (440, 580731), (660, 387154), (1320, 193577)]