257455584

素因数分解:

$2^5\times 3^5\times {\mathrm{113}}^1\times {\mathrm{293}}^1$

素因数の和:431

約数の個数: 144

約数和(自身を含む): 768588912

約数和(自身を除く): 511133328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 81, 96, 108, 113, 144, 162, 216, 226, 243, 288, 293, 324, 339, 432, 452, 486, 586, 648, 678, 864, 879, 904, 972, 1017, 1172, 1296, 1356, 1758, 1808, 1944, 2034, 2344, 2592, 2637, 2712, 3051, 3516, 3616, 3888, 4068, 4688, 5274, 5424, 6102, 7032, 7776, 7911, 8136, 9153, 9376, 10548, 10848, 12204, 14064, 15822, 16272, 18306, 21096, 23733, 24408, 27459, 28128, 31644, 32544, 33109, 36612, 42192, 47466, 48816, 54918, 63288, 66218, 71199, 73224, 84384, 94932, 97632, 99327, 109836, 126576, 132436, 142398, 146448, 189864, 198654, 219672, 253152, 264872, 284796, 292896, 297981, 379728, 397308, 439344, 529744, 569592, 595962, 759456, 794616, 878688, 893943, 1059488, 1139184, 1191924, 1589232, 1787886, 2278368, 2383848, 2681829, 3178464, 3575772, 4767696, 5363658, 7151544, 8045487, 9535392, 10727316, 14303088, 16090974, 21454632, 28606176, 32181948, 42909264, 64363896, 85818528, 128727792, 257455584]

約数ペア:

[(1, 257455584), (2, 128727792), (3, 85818528), (4, 64363896), (6, 42909264), (8, 32181948), (9, 28606176), (12, 21454632), (16, 16090974), (18, 14303088), (24, 10727316), (27, 9535392), (32, 8045487), (36, 7151544), (48, 5363658), (54, 4767696), (72, 3575772), (81, 3178464), (96, 2681829), (108, 2383848), (113, 2278368), (144, 1787886), (162, 1589232), (216, 1191924), (226, 1139184), (243, 1059488), (288, 893943), (293, 878688), (324, 794616), (339, 759456), (432, 595962), (452, 569592), (486, 529744), (586, 439344), (648, 397308), (678, 379728), (864, 297981), (879, 292896), (904, 284796), (972, 264872), (1017, 253152), (1172, 219672), (1296, 198654), (1356, 189864), (1758, 146448), (1808, 142398), (1944, 132436), (2034, 126576), (2344, 109836), (2592, 99327), (2637, 97632), (2712, 94932), (3051, 84384), (3516, 73224), (3616, 71199), (3888, 66218), (4068, 63288), (4688, 54918), (5274, 48816), (5424, 47466), (6102, 42192), (7032, 36612), (7776, 33109), (7911, 32544), (8136, 31644), (9153, 28128), (9376, 27459), (10548, 24408), (10848, 23733), (12204, 21096), (14064, 18306), (15822, 16272)]