256541544

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1181}}^1$

素因数の和:1631

約数の個数: 96

約数和(自身を含む): 796573440

約数和(自身を除く): 540031896

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 431, 504, 862, 1181, 1293, 1724, 2362, 2586, 3017, 3448, 3543, 3879, 4724, 5172, 6034, 7086, 7758, 8267, 9051, 9448, 10344, 10629, 12068, 14172, 15516, 16534, 18102, 21258, 24136, 24801, 27153, 28344, 31032, 33068, 36204, 42516, 49602, 54306, 66136, 72408, 74403, 85032, 99204, 108612, 148806, 198408, 217224, 297612, 509011, 595224, 1018022, 1527033, 2036044, 3054066, 3563077, 4072088, 4581099, 6108132, 7126154, 9162198, 10689231, 12216264, 14252308, 18324396, 21378462, 28504616, 32067693, 36648792, 42756924, 64135386, 85513848, 128270772, 256541544]

約数ペア:

[(1, 256541544), (2, 128270772), (3, 85513848), (4, 64135386), (6, 42756924), (7, 36648792), (8, 32067693), (9, 28504616), (12, 21378462), (14, 18324396), (18, 14252308), (21, 12216264), (24, 10689231), (28, 9162198), (36, 7126154), (42, 6108132), (56, 4581099), (63, 4072088), (72, 3563077), (84, 3054066), (126, 2036044), (168, 1527033), (252, 1018022), (431, 595224), (504, 509011), (862, 297612), (1181, 217224), (1293, 198408), (1724, 148806), (2362, 108612), (2586, 99204), (3017, 85032), (3448, 74403), (3543, 72408), (3879, 66136), (4724, 54306), (5172, 49602), (6034, 42516), (7086, 36204), (7758, 33068), (8267, 31032), (9051, 28344), (9448, 27153), (10344, 24801), (10629, 24136), (12068, 21258), (14172, 18102), (15516, 16534)]