266497280

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{607}}^1$

素因数の和:649

約数の個数: 144

約数和(自身を含む): 745651200

約数和(自身を除く): 479153920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 560, 607, 640, 686, 784, 896, 980, 1120, 1214, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2428, 2744, 3035, 3136, 3430, 3920, 4249, 4480, 4856, 5488, 6070, 6272, 6860, 7840, 8498, 8960, 9712, 10976, 12140, 12544, 13720, 15680, 16996, 19424, 21245, 21952, 24280, 27440, 29743, 31360, 33992, 38848, 42490, 43904, 48560, 54880, 59486, 62720, 67984, 77696, 84980, 87808, 97120, 109760, 118972, 135968, 148715, 155392, 169960, 194240, 208201, 219520, 237944, 271936, 297430, 339920, 388480, 416402, 439040, 475888, 543872, 594860, 679840, 776960, 832804, 951776, 1041005, 1087744, 1189720, 1359680, 1665608, 1903552, 2082010, 2379440, 2719360, 3331216, 3807104, 4164020, 4758880, 5438720, 6662432, 7614208, 8328040, 9517760, 13324864, 16656080, 19035520, 26649728, 33312160, 38071040, 53299456, 66624320, 133248640, 266497280]

約数ペア:

[(1, 266497280), (2, 133248640), (4, 66624320), (5, 53299456), (7, 38071040), (8, 33312160), (10, 26649728), (14, 19035520), (16, 16656080), (20, 13324864), (28, 9517760), (32, 8328040), (35, 7614208), (40, 6662432), (49, 5438720), (56, 4758880), (64, 4164020), (70, 3807104), (80, 3331216), (98, 2719360), (112, 2379440), (128, 2082010), (140, 1903552), (160, 1665608), (196, 1359680), (224, 1189720), (245, 1087744), (256, 1041005), (280, 951776), (320, 832804), (343, 776960), (392, 679840), (448, 594860), (490, 543872), (560, 475888), (607, 439040), (640, 416402), (686, 388480), (784, 339920), (896, 297430), (980, 271936), (1120, 237944), (1214, 219520), (1280, 208201), (1372, 194240), (1568, 169960), (1715, 155392), (1792, 148715), (1960, 135968), (2240, 118972), (2428, 109760), (2744, 97120), (3035, 87808), (3136, 84980), (3430, 77696), (3920, 67984), (4249, 62720), (4480, 59486), (4856, 54880), (5488, 48560), (6070, 43904), (6272, 42490), (6860, 38848), (7840, 33992), (8498, 31360), (8960, 29743), (9712, 27440), (10976, 24280), (12140, 21952), (12544, 21245), (13720, 19424), (15680, 16996)]