255687960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193703}}^1$

素因数の和:193728

約数の個数: 64

約数和(自身を含む): 836801280

約数和(自身を除く): 581113320

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, 193703, 387406, 581109, 774812, 968515, 1162218, 1549624, 1937030, 2130733, 2324436, 2905545, 3874060, 4261466, 4648872, 5811090, 6392199, 7748120, 8522932, 10653665, 11622180, 12784398, 17045864, 21307330, 23244360, 25568796, 31960995, 42614660, 51137592, 63921990, 85229320, 127843980, 255687960]

約数ペア:

[(1, 255687960), (2, 127843980), (3, 85229320), (4, 63921990), (5, 51137592), (6, 42614660), (8, 31960995), (10, 25568796), (11, 23244360), (12, 21307330), (15, 17045864), (20, 12784398), (22, 11622180), (24, 10653665), (30, 8522932), (33, 7748120), (40, 6392199), (44, 5811090), (55, 4648872), (60, 4261466), (66, 3874060), (88, 2905545), (110, 2324436), (120, 2130733), (132, 1937030), (165, 1549624), (220, 1162218), (264, 968515), (330, 774812), (440, 581109), (660, 387406), (1320, 193703)]