216737280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:461

約数の個数: 240

約数和(自身を含む): 785172960

約数和(自身を除く): 568435680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 64, 69, 72, 80, 90, 92, 96, 115, 120, 128, 138, 144, 160, 180, 184, 192, 207, 230, 240, 256, 276, 288, 320, 345, 360, 368, 384, 409, 414, 460, 480, 512, 552, 576, 640, 690, 720, 736, 768, 818, 828, 920, 960, 1035, 1104, 1152, 1227, 1280, 1380, 1440, 1472, 1536, 1636, 1656, 1840, 1920, 2045, 2070, 2208, 2304, 2454, 2560, 2760, 2880, 2944, 3272, 3312, 3680, 3681, 3840, 4090, 4140, 4416, 4608, 4908, 5520, 5760, 5888, 6135, 6544, 6624, 7360, 7362, 7680, 8180, 8280, 8832, 9407, 9816, 11040, 11520, 11776, 12270, 13088, 13248, 14720, 14724, 16360, 16560, 17664, 18405, 18814, 19632, 22080, 23040, 24540, 26176, 26496, 28221, 29440, 29448, 32720, 33120, 35328, 36810, 37628, 39264, 44160, 47035, 49080, 52352, 52992, 56442, 58880, 58896, 65440, 66240, 73620, 75256, 78528, 84663, 88320, 94070, 98160, 104704, 105984, 112884, 117792, 130880, 132480, 141105, 147240, 150512, 157056, 169326, 176640, 188140, 196320, 209408, 225768, 235584, 261760, 264960, 282210, 294480, 301024, 314112, 338652, 376280, 392640, 423315, 451536, 471168, 523520, 529920, 564420, 588960, 602048, 628224, 677304, 752560, 785280, 846630, 903072, 942336, 1047040, 1128840, 1177920, 1204096, 1354608, 1505120, 1570560, 1693260, 1806144, 1884672, 2257680, 2355840, 2408192, 2709216, 3010240, 3141120, 3386520, 3612288, 4515360, 4711680, 4816384, 5418432, 6020480, 6773040, 7224576, 9030720, 9423360, 10836864, 12040960, 13546080, 14449152, 18061440, 21673728, 24081920, 27092160, 36122880, 43347456, 54184320, 72245760, 108368640, 216737280]

約数ペア:

[(1, 216737280), (2, 108368640), (3, 72245760), (4, 54184320), (5, 43347456), (6, 36122880), (8, 27092160), (9, 24081920), (10, 21673728), (12, 18061440), (15, 14449152), (16, 13546080), (18, 12040960), (20, 10836864), (23, 9423360), (24, 9030720), (30, 7224576), (32, 6773040), (36, 6020480), (40, 5418432), (45, 4816384), (46, 4711680), (48, 4515360), (60, 3612288), (64, 3386520), (69, 3141120), (72, 3010240), (80, 2709216), (90, 2408192), (92, 2355840), (96, 2257680), (115, 1884672), (120, 1806144), (128, 1693260), (138, 1570560), (144, 1505120), (160, 1354608), (180, 1204096), (184, 1177920), (192, 1128840), (207, 1047040), (230, 942336), (240, 903072), (256, 846630), (276, 785280), (288, 752560), (320, 677304), (345, 628224), (360, 602048), (368, 588960), (384, 564420), (409, 529920), (414, 523520), (460, 471168), (480, 451536), (512, 423315), (552, 392640), (576, 376280), (640, 338652), (690, 314112), (720, 301024), (736, 294480), (768, 282210), (818, 264960), (828, 261760), (920, 235584), (960, 225768), (1035, 209408), (1104, 196320), (1152, 188140), (1227, 176640), (1280, 169326), (1380, 157056), (1440, 150512), (1472, 147240), (1536, 141105), (1636, 132480), (1656, 130880), (1840, 117792), (1920, 112884), (2045, 105984), (2070, 104704), (2208, 98160), (2304, 94070), (2454, 88320), (2560, 84663), (2760, 78528), (2880, 75256), (2944, 73620), (3272, 66240), (3312, 65440), (3680, 58896), (3681, 58880), (3840, 56442), (4090, 52992), (4140, 52352), (4416, 49080), (4608, 47035), (4908, 44160), (5520, 39264), (5760, 37628), (5888, 36810), (6135, 35328), (6544, 33120), (6624, 32720), (7360, 29448), (7362, 29440), (7680, 28221), (8180, 26496), (8280, 26176), (8832, 24540), (9407, 23040), (9816, 22080), (11040, 19632), (11520, 18814), (11776, 18405), (12270, 17664), (13088, 16560), (13248, 16360), (14720, 14724)]