664907520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:870

約数の個数: 144

約数和(自身を含む): 2133936000

約数和(自身を除く): 1469028480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 347, 384, 480, 499, 640, 694, 768, 960, 998, 1041, 1280, 1388, 1497, 1735, 1920, 1996, 2082, 2495, 2776, 2994, 3470, 3840, 3992, 4164, 4990, 5205, 5552, 5988, 6940, 7485, 7984, 8328, 9980, 10410, 11104, 11976, 13880, 14970, 15968, 16656, 19960, 20820, 22208, 23952, 27760, 29940, 31936, 33312, 39920, 41640, 44416, 47904, 55520, 59880, 63872, 66624, 79840, 83280, 88832, 95808, 111040, 119760, 127744, 133248, 159680, 166560, 173153, 191616, 222080, 239520, 266496, 319360, 333120, 346306, 383232, 444160, 479040, 519459, 638720, 666240, 692612, 865765, 958080, 1038918, 1332480, 1385224, 1731530, 1916160, 2077836, 2597295, 2770448, 3463060, 4155672, 5194590, 5540896, 6926120, 8311344, 10389180, 11081792, 13852240, 16622688, 20778360, 22163584, 27704480, 33245376, 41556720, 44327168, 55408960, 66490752, 83113440, 110817920, 132981504, 166226880, 221635840, 332453760, 664907520]

約数ペア:

[(1, 664907520), (2, 332453760), (3, 221635840), (4, 166226880), (5, 132981504), (6, 110817920), (8, 83113440), (10, 66490752), (12, 55408960), (15, 44327168), (16, 41556720), (20, 33245376), (24, 27704480), (30, 22163584), (32, 20778360), (40, 16622688), (48, 13852240), (60, 11081792), (64, 10389180), (80, 8311344), (96, 6926120), (120, 5540896), (128, 5194590), (160, 4155672), (192, 3463060), (240, 2770448), (256, 2597295), (320, 2077836), (347, 1916160), (384, 1731530), (480, 1385224), (499, 1332480), (640, 1038918), (694, 958080), (768, 865765), (960, 692612), (998, 666240), (1041, 638720), (1280, 519459), (1388, 479040), (1497, 444160), (1735, 383232), (1920, 346306), (1996, 333120), (2082, 319360), (2495, 266496), (2776, 239520), (2994, 222080), (3470, 191616), (3840, 173153), (3992, 166560), (4164, 159680), (4990, 133248), (5205, 127744), (5552, 119760), (5988, 111040), (6940, 95808), (7485, 88832), (7984, 83280), (8328, 79840), (9980, 66624), (10410, 63872), (11104, 59880), (11976, 55520), (13880, 47904), (14970, 44416), (15968, 41640), (16656, 39920), (19960, 33312), (20820, 31936), (22208, 29940), (23952, 27760)]