321217920

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:698

約数の個数: 256

約数和(自身を含む): 1178712000

約数和(自身を除く): 857494080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 64, 72, 80, 87, 90, 96, 108, 116, 120, 128, 135, 144, 145, 160, 174, 180, 192, 216, 232, 240, 261, 270, 288, 290, 320, 348, 360, 384, 432, 435, 464, 480, 522, 540, 576, 580, 640, 641, 696, 720, 783, 864, 870, 928, 960, 1044, 1080, 1152, 1160, 1282, 1305, 1392, 1440, 1566, 1728, 1740, 1856, 1920, 1923, 2088, 2160, 2320, 2564, 2610, 2784, 2880, 3132, 3205, 3456, 3480, 3712, 3846, 3915, 4176, 4320, 4640, 5128, 5220, 5568, 5760, 5769, 6264, 6410, 6960, 7692, 7830, 8352, 8640, 9280, 9615, 10256, 10440, 11136, 11538, 12528, 12820, 13920, 15384, 15660, 16704, 17280, 17307, 18560, 18589, 19230, 20512, 20880, 23076, 25056, 25640, 27840, 28845, 30768, 31320, 33408, 34614, 37178, 38460, 41024, 41760, 46152, 50112, 51280, 55680, 55767, 57690, 61536, 62640, 69228, 74356, 76920, 82048, 83520, 86535, 92304, 92945, 100224, 102560, 111534, 115380, 123072, 125280, 138456, 148712, 153840, 167040, 167301, 173070, 184608, 185890, 205120, 223068, 230760, 246144, 250560, 276912, 278835, 297424, 307680, 334602, 346140, 369216, 371780, 410240, 446136, 461520, 501120, 501903, 553824, 557670, 594848, 615360, 669204, 692280, 738432, 743560, 836505, 892272, 923040, 1003806, 1107648, 1115340, 1189696, 1230720, 1338408, 1384560, 1487120, 1673010, 1784544, 1846080, 2007612, 2215296, 2230680, 2379392, 2509515, 2676816, 2769120, 2974240, 3346020, 3569088, 3692160, 4015224, 4461360, 5019030, 5353632, 5538240, 5948480, 6692040, 7138176, 8030448, 8922720, 10038060, 10707264, 11076480, 11896960, 13384080, 16060896, 17845440, 20076120, 21414528, 26768160, 32121792, 35690880, 40152240, 53536320, 64243584, 80304480, 107072640, 160608960, 321217920]

約数ペア:

[(1, 321217920), (2, 160608960), (3, 107072640), (4, 80304480), (5, 64243584), (6, 53536320), (8, 40152240), (9, 35690880), (10, 32121792), (12, 26768160), (15, 21414528), (16, 20076120), (18, 17845440), (20, 16060896), (24, 13384080), (27, 11896960), (29, 11076480), (30, 10707264), (32, 10038060), (36, 8922720), (40, 8030448), (45, 7138176), (48, 6692040), (54, 5948480), (58, 5538240), (60, 5353632), (64, 5019030), (72, 4461360), (80, 4015224), (87, 3692160), (90, 3569088), (96, 3346020), (108, 2974240), (116, 2769120), (120, 2676816), (128, 2509515), (135, 2379392), (144, 2230680), (145, 2215296), (160, 2007612), (174, 1846080), (180, 1784544), (192, 1673010), (216, 1487120), (232, 1384560), (240, 1338408), (261, 1230720), (270, 1189696), (288, 1115340), (290, 1107648), (320, 1003806), (348, 923040), (360, 892272), (384, 836505), (432, 743560), (435, 738432), (464, 692280), (480, 669204), (522, 615360), (540, 594848), (576, 557670), (580, 553824), (640, 501903), (641, 501120), (696, 461520), (720, 446136), (783, 410240), (864, 371780), (870, 369216), (928, 346140), (960, 334602), (1044, 307680), (1080, 297424), (1152, 278835), (1160, 276912), (1282, 250560), (1305, 246144), (1392, 230760), (1440, 223068), (1566, 205120), (1728, 185890), (1740, 184608), (1856, 173070), (1920, 167301), (1923, 167040), (2088, 153840), (2160, 148712), (2320, 138456), (2564, 125280), (2610, 123072), (2784, 115380), (2880, 111534), (3132, 102560), (3205, 100224), (3456, 92945), (3480, 92304), (3712, 86535), (3846, 83520), (3915, 82048), (4176, 76920), (4320, 74356), (4640, 69228), (5128, 62640), (5220, 61536), (5568, 57690), (5760, 55767), (5769, 55680), (6264, 51280), (6410, 50112), (6960, 46152), (7692, 41760), (7830, 41024), (8352, 38460), (8640, 37178), (9280, 34614), (9615, 33408), (10256, 31320), (10440, 30768), (11136, 28845), (11538, 27840), (12528, 25640), (12820, 25056), (13920, 23076), (15384, 20880), (15660, 20512), (16704, 19230), (17280, 18589), (17307, 18560)]