256679136

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{127321}}^1$

素因数の和:127344

約数の個数: 72

約数和(自身を含む): 834213744

約数和(自身を除く): 577534608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 127321, 254642, 381963, 509284, 763926, 891247, 1018568, 1145889, 1527852, 1782494, 2037136, 2291778, 2673741, 3055704, 3564988, 4074272, 4583556, 5347482, 6111408, 7129976, 8021223, 9167112, 10694964, 12222816, 14259952, 16042446, 18334224, 21389928, 28519904, 32084892, 36668448, 42779856, 64169784, 85559712, 128339568, 256679136]

約数ペア:

[(1, 256679136), (2, 128339568), (3, 85559712), (4, 64169784), (6, 42779856), (7, 36668448), (8, 32084892), (9, 28519904), (12, 21389928), (14, 18334224), (16, 16042446), (18, 14259952), (21, 12222816), (24, 10694964), (28, 9167112), (32, 8021223), (36, 7129976), (42, 6111408), (48, 5347482), (56, 4583556), (63, 4074272), (72, 3564988), (84, 3055704), (96, 2673741), (112, 2291778), (126, 2037136), (144, 1782494), (168, 1527852), (224, 1145889), (252, 1018568), (288, 891247), (336, 763926), (504, 509284), (672, 381963), (1008, 254642), (2016, 127321)]