665566720

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2857}}^1$

素因数の和:2900

約数の個数: 160

約数和(自身を含む): 1964749248

約数和(自身を除く): 1299182528

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 256, 260, 280, 320, 364, 416, 448, 455, 512, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1280, 1456, 1664, 1792, 1820, 2080, 2240, 2560, 2857, 2912, 3328, 3584, 3640, 4160, 4480, 5714, 5824, 6656, 7280, 8320, 8960, 11428, 11648, 14285, 14560, 16640, 17920, 19999, 22856, 23296, 28570, 29120, 33280, 37141, 39998, 45712, 46592, 57140, 58240, 74282, 79996, 91424, 99995, 114280, 116480, 148564, 159992, 182848, 185705, 199990, 228560, 232960, 259987, 297128, 319984, 365696, 371410, 399980, 457120, 519974, 594256, 639968, 731392, 742820, 799960, 914240, 1039948, 1188512, 1279936, 1299935, 1462784, 1485640, 1599920, 1828480, 2079896, 2377024, 2559872, 2599870, 2971280, 3199840, 3656960, 4159792, 4754048, 5119744, 5199740, 5942560, 6399680, 7313920, 8319584, 9508096, 10239488, 10399480, 11885120, 12799360, 16639168, 19016192, 20798960, 23770240, 25598720, 33278336, 41597920, 47540480, 51197440, 66556672, 83195840, 95080960, 133113344, 166391680, 332783360, 665566720]

約数ペア:

[(1, 665566720), (2, 332783360), (4, 166391680), (5, 133113344), (7, 95080960), (8, 83195840), (10, 66556672), (13, 51197440), (14, 47540480), (16, 41597920), (20, 33278336), (26, 25598720), (28, 23770240), (32, 20798960), (35, 19016192), (40, 16639168), (52, 12799360), (56, 11885120), (64, 10399480), (65, 10239488), (70, 9508096), (80, 8319584), (91, 7313920), (104, 6399680), (112, 5942560), (128, 5199740), (130, 5119744), (140, 4754048), (160, 4159792), (182, 3656960), (208, 3199840), (224, 2971280), (256, 2599870), (260, 2559872), (280, 2377024), (320, 2079896), (364, 1828480), (416, 1599920), (448, 1485640), (455, 1462784), (512, 1299935), (520, 1279936), (560, 1188512), (640, 1039948), (728, 914240), (832, 799960), (896, 742820), (910, 731392), (1040, 639968), (1120, 594256), (1280, 519974), (1456, 457120), (1664, 399980), (1792, 371410), (1820, 365696), (2080, 319984), (2240, 297128), (2560, 259987), (2857, 232960), (2912, 228560), (3328, 199990), (3584, 185705), (3640, 182848), (4160, 159992), (4480, 148564), (5714, 116480), (5824, 114280), (6656, 99995), (7280, 91424), (8320, 79996), (8960, 74282), (11428, 58240), (11648, 57140), (14285, 46592), (14560, 45712), (16640, 39998), (17920, 37141), (19999, 33280), (22856, 29120), (23296, 28570)]