256867584

素因数分解:

$2^8\times 3^1\times {\mathrm{61}}^1\times {\mathrm{5483}}^1$

素因数の和:5563

約数の個数: 72

約数和(自身を含む): 694976352

約数和(自身を除く): 438108768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 61, 64, 96, 122, 128, 183, 192, 244, 256, 366, 384, 488, 732, 768, 976, 1464, 1952, 2928, 3904, 5483, 5856, 7808, 10966, 11712, 15616, 16449, 21932, 23424, 32898, 43864, 46848, 65796, 87728, 131592, 175456, 263184, 334463, 350912, 526368, 668926, 701824, 1003389, 1052736, 1337852, 1403648, 2006778, 2105472, 2675704, 4013556, 4210944, 5351408, 8027112, 10702816, 16054224, 21405632, 32108448, 42811264, 64216896, 85622528, 128433792, 256867584]

約数ペア:

[(1, 256867584), (2, 128433792), (3, 85622528), (4, 64216896), (6, 42811264), (8, 32108448), (12, 21405632), (16, 16054224), (24, 10702816), (32, 8027112), (48, 5351408), (61, 4210944), (64, 4013556), (96, 2675704), (122, 2105472), (128, 2006778), (183, 1403648), (192, 1337852), (244, 1052736), (256, 1003389), (366, 701824), (384, 668926), (488, 526368), (732, 350912), (768, 334463), (976, 263184), (1464, 175456), (1952, 131592), (2928, 87728), (3904, 65796), (5483, 46848), (5856, 43864), (7808, 32898), (10966, 23424), (11712, 21932), (15616, 16449)]