321632640

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{2659}}^1$

素因数の和:2694

約数の個数: 256

約数和(自身を含む): 1302336000

約数和(自身を除く): 980703360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 128, 135, 140, 144, 160, 168, 180, 189, 192, 210, 216, 224, 240, 252, 270, 280, 288, 315, 320, 336, 360, 378, 384, 420, 432, 448, 480, 504, 540, 560, 576, 630, 640, 672, 720, 756, 840, 864, 896, 945, 960, 1008, 1080, 1120, 1152, 1260, 1344, 1440, 1512, 1680, 1728, 1890, 1920, 2016, 2160, 2240, 2520, 2659, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5318, 5760, 6048, 6720, 7560, 7977, 8064, 8640, 10080, 10636, 12096, 13295, 13440, 15120, 15954, 17280, 18613, 20160, 21272, 23931, 24192, 26590, 30240, 31908, 37226, 39885, 40320, 42544, 47862, 53180, 55839, 60480, 63816, 71793, 74452, 79770, 85088, 93065, 95724, 106360, 111678, 119655, 120960, 127632, 143586, 148904, 159540, 167517, 170176, 186130, 191448, 212720, 223356, 239310, 255264, 279195, 287172, 297808, 319080, 335034, 340352, 358965, 372260, 382896, 425440, 446712, 478620, 502551, 510528, 558390, 574344, 595616, 638160, 670068, 717930, 744520, 765792, 837585, 850880, 893424, 957240, 1005102, 1021056, 1116780, 1148688, 1191232, 1276320, 1340136, 1435860, 1489040, 1531584, 1675170, 1701760, 1786848, 1914480, 2010204, 2233560, 2297376, 2382464, 2512755, 2552640, 2680272, 2871720, 2978080, 3063168, 3350340, 3573696, 3828960, 4020408, 4467120, 4594752, 5025510, 5105280, 5360544, 5743440, 5956160, 6700680, 7147392, 7657920, 8040816, 8934240, 9189504, 10051020, 10721088, 11486880, 11912320, 13401360, 15315840, 16081632, 17868480, 20102040, 21442176, 22973760, 26802720, 32163264, 35736960, 40204080, 45947520, 53605440, 64326528, 80408160, 107210880, 160816320, 321632640]

約数ペア:

[(1, 321632640), (2, 160816320), (3, 107210880), (4, 80408160), (5, 64326528), (6, 53605440), (7, 45947520), (8, 40204080), (9, 35736960), (10, 32163264), (12, 26802720), (14, 22973760), (15, 21442176), (16, 20102040), (18, 17868480), (20, 16081632), (21, 15315840), (24, 13401360), (27, 11912320), (28, 11486880), (30, 10721088), (32, 10051020), (35, 9189504), (36, 8934240), (40, 8040816), (42, 7657920), (45, 7147392), (48, 6700680), (54, 5956160), (56, 5743440), (60, 5360544), (63, 5105280), (64, 5025510), (70, 4594752), (72, 4467120), (80, 4020408), (84, 3828960), (90, 3573696), (96, 3350340), (105, 3063168), (108, 2978080), (112, 2871720), (120, 2680272), (126, 2552640), (128, 2512755), (135, 2382464), (140, 2297376), (144, 2233560), (160, 2010204), (168, 1914480), (180, 1786848), (189, 1701760), (192, 1675170), (210, 1531584), (216, 1489040), (224, 1435860), (240, 1340136), (252, 1276320), (270, 1191232), (280, 1148688), (288, 1116780), (315, 1021056), (320, 1005102), (336, 957240), (360, 893424), (378, 850880), (384, 837585), (420, 765792), (432, 744520), (448, 717930), (480, 670068), (504, 638160), (540, 595616), (560, 574344), (576, 558390), (630, 510528), (640, 502551), (672, 478620), (720, 446712), (756, 425440), (840, 382896), (864, 372260), (896, 358965), (945, 340352), (960, 335034), (1008, 319080), (1080, 297808), (1120, 287172), (1152, 279195), (1260, 255264), (1344, 239310), (1440, 223356), (1512, 212720), (1680, 191448), (1728, 186130), (1890, 170176), (1920, 167517), (2016, 159540), (2160, 148904), (2240, 143586), (2520, 127632), (2659, 120960), (2688, 119655), (2880, 111678), (3024, 106360), (3360, 95724), (3456, 93065), (3780, 85088), (4032, 79770), (4320, 74452), (4480, 71793), (5040, 63816), (5318, 60480), (5760, 55839), (6048, 53180), (6720, 47862), (7560, 42544), (7977, 40320), (8064, 39885), (8640, 37226), (10080, 31908), (10636, 30240), (12096, 26590), (13295, 24192), (13440, 23931), (15120, 21272), (15954, 20160), (17280, 18613)]