390512640

素因数分解:

$2^{14}\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1$

素因数の和:270

約数の個数: 240

約数和(自身を含む): 1434408192

約数和(自身を除く): 1043895552

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 227, 240, 256, 280, 320, 336, 384, 420, 448, 454, 480, 512, 560, 640, 672, 681, 768, 840, 896, 908, 960, 1024, 1120, 1135, 1280, 1344, 1362, 1536, 1589, 1680, 1792, 1816, 1920, 2048, 2240, 2270, 2560, 2688, 2724, 3072, 3178, 3360, 3405, 3584, 3632, 3840, 4096, 4480, 4540, 4767, 5120, 5376, 5448, 6144, 6356, 6720, 6810, 7168, 7264, 7680, 7945, 8192, 8960, 9080, 9534, 10240, 10752, 10896, 12288, 12712, 13440, 13620, 14336, 14528, 15360, 15890, 16384, 17920, 18160, 19068, 20480, 21504, 21792, 23835, 24576, 25424, 26880, 27240, 28672, 29056, 30720, 31780, 35840, 36320, 38136, 40960, 43008, 43584, 47670, 49152, 50848, 53760, 54480, 57344, 58112, 61440, 63560, 71680, 72640, 76272, 81920, 86016, 87168, 95340, 101696, 107520, 108960, 114688, 116224, 122880, 127120, 143360, 145280, 152544, 172032, 174336, 190680, 203392, 215040, 217920, 232448, 245760, 254240, 286720, 290560, 305088, 344064, 348672, 381360, 406784, 430080, 435840, 464896, 508480, 573440, 581120, 610176, 697344, 762720, 813568, 860160, 871680, 929792, 1016960, 1162240, 1220352, 1394688, 1525440, 1627136, 1720320, 1743360, 1859584, 2033920, 2324480, 2440704, 2789376, 3050880, 3254272, 3486720, 3719168, 4067840, 4648960, 4881408, 5578752, 6101760, 6508544, 6973440, 8135680, 9297920, 9762816, 11157504, 12203520, 13017088, 13946880, 16271360, 18595840, 19525632, 24407040, 26034176, 27893760, 32542720, 39051264, 48814080, 55787520, 65085440, 78102528, 97628160, 130170880, 195256320, 390512640]

約数ペア:

[(1, 390512640), (2, 195256320), (3, 130170880), (4, 97628160), (5, 78102528), (6, 65085440), (7, 55787520), (8, 48814080), (10, 39051264), (12, 32542720), (14, 27893760), (15, 26034176), (16, 24407040), (20, 19525632), (21, 18595840), (24, 16271360), (28, 13946880), (30, 13017088), (32, 12203520), (35, 11157504), (40, 9762816), (42, 9297920), (48, 8135680), (56, 6973440), (60, 6508544), (64, 6101760), (70, 5578752), (80, 4881408), (84, 4648960), (96, 4067840), (105, 3719168), (112, 3486720), (120, 3254272), (128, 3050880), (140, 2789376), (160, 2440704), (168, 2324480), (192, 2033920), (210, 1859584), (224, 1743360), (227, 1720320), (240, 1627136), (256, 1525440), (280, 1394688), (320, 1220352), (336, 1162240), (384, 1016960), (420, 929792), (448, 871680), (454, 860160), (480, 813568), (512, 762720), (560, 697344), (640, 610176), (672, 581120), (681, 573440), (768, 508480), (840, 464896), (896, 435840), (908, 430080), (960, 406784), (1024, 381360), (1120, 348672), (1135, 344064), (1280, 305088), (1344, 290560), (1362, 286720), (1536, 254240), (1589, 245760), (1680, 232448), (1792, 217920), (1816, 215040), (1920, 203392), (2048, 190680), (2240, 174336), (2270, 172032), (2560, 152544), (2688, 145280), (2724, 143360), (3072, 127120), (3178, 122880), (3360, 116224), (3405, 114688), (3584, 108960), (3632, 107520), (3840, 101696), (4096, 95340), (4480, 87168), (4540, 86016), (4767, 81920), (5120, 76272), (5376, 72640), (5448, 71680), (6144, 63560), (6356, 61440), (6720, 58112), (6810, 57344), (7168, 54480), (7264, 53760), (7680, 50848), (7945, 49152), (8192, 47670), (8960, 43584), (9080, 43008), (9534, 40960), (10240, 38136), (10752, 36320), (10896, 35840), (12288, 31780), (12712, 30720), (13440, 29056), (13620, 28672), (14336, 27240), (14528, 26880), (15360, 25424), (15890, 24576), (16384, 23835), (17920, 21792), (18160, 21504), (19068, 20480)]