256406112

素因数分解:

$2^5\times 3^2\times {\mathrm{349}}^1\times {\mathrm{2551}}^1$

素因数の和:2916

約数の個数: 72

約数和(自身を含む): 731530800

約数和(自身を除く): 475124688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 349, 698, 1047, 1396, 2094, 2551, 2792, 3141, 4188, 5102, 5584, 6282, 7653, 8376, 10204, 11168, 12564, 15306, 16752, 20408, 22959, 25128, 30612, 33504, 40816, 45918, 50256, 61224, 81632, 91836, 100512, 122448, 183672, 244896, 367344, 734688, 890299, 1780598, 2670897, 3561196, 5341794, 7122392, 8012691, 10683588, 14244784, 16025382, 21367176, 28489568, 32050764, 42734352, 64101528, 85468704, 128203056, 256406112]

約数ペア:

[(1, 256406112), (2, 128203056), (3, 85468704), (4, 64101528), (6, 42734352), (8, 32050764), (9, 28489568), (12, 21367176), (16, 16025382), (18, 14244784), (24, 10683588), (32, 8012691), (36, 7122392), (48, 5341794), (72, 3561196), (96, 2670897), (144, 1780598), (288, 890299), (349, 734688), (698, 367344), (1047, 244896), (1396, 183672), (2094, 122448), (2551, 100512), (2792, 91836), (3141, 81632), (4188, 61224), (5102, 50256), (5584, 45918), (6282, 40816), (7653, 33504), (8376, 30612), (10204, 25128), (11168, 22959), (12564, 20408), (15306, 16752)]