420305280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:281

約数の個数: 256

約数和(自身を含む): 1445299200

約数和(自身を除く): 1024993920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 79, 80, 85, 96, 102, 120, 128, 136, 158, 160, 163, 170, 192, 204, 237, 240, 255, 272, 316, 320, 326, 340, 384, 395, 408, 474, 480, 489, 510, 544, 632, 640, 652, 680, 790, 815, 816, 948, 960, 978, 1020, 1088, 1185, 1264, 1304, 1343, 1360, 1580, 1630, 1632, 1896, 1920, 1956, 2040, 2176, 2370, 2445, 2528, 2608, 2686, 2720, 2771, 3160, 3260, 3264, 3792, 3912, 4029, 4080, 4740, 4890, 5056, 5216, 5372, 5440, 5542, 6320, 6520, 6528, 6715, 7584, 7824, 8058, 8160, 8313, 9480, 9780, 10112, 10432, 10744, 10880, 11084, 12640, 12877, 13040, 13430, 13855, 15168, 15648, 16116, 16320, 16626, 18960, 19560, 20145, 20864, 21488, 22168, 25280, 25754, 26080, 26860, 27710, 30336, 31296, 32232, 32640, 33252, 37920, 38631, 39120, 40290, 41565, 42976, 44336, 50560, 51508, 52160, 53720, 55420, 62592, 64385, 64464, 66504, 75840, 77262, 78240, 80580, 83130, 85952, 88672, 103016, 104320, 107440, 110840, 128770, 128928, 133008, 151680, 154524, 156480, 161160, 166260, 171904, 177344, 193155, 206032, 214880, 218909, 221680, 257540, 257856, 266016, 309048, 312960, 322320, 332520, 354688, 386310, 412064, 429760, 437818, 443360, 515080, 515712, 532032, 618096, 644640, 656727, 665040, 772620, 824128, 859520, 875636, 886720, 1030160, 1064064, 1094545, 1236192, 1289280, 1313454, 1330080, 1545240, 1648256, 1751272, 1773440, 2060320, 2189090, 2472384, 2578560, 2626908, 2660160, 3090480, 3283635, 3502544, 4120640, 4378180, 4944768, 5253816, 5320320, 6180960, 6567270, 7005088, 8241280, 8756360, 10507632, 12361920, 13134540, 14010176, 17512720, 21015264, 24723840, 26269080, 28020352, 35025440, 42030528, 52538160, 70050880, 84061056, 105076320, 140101760, 210152640, 420305280]

約数ペア:

[(1, 420305280), (2, 210152640), (3, 140101760), (4, 105076320), (5, 84061056), (6, 70050880), (8, 52538160), (10, 42030528), (12, 35025440), (15, 28020352), (16, 26269080), (17, 24723840), (20, 21015264), (24, 17512720), (30, 14010176), (32, 13134540), (34, 12361920), (40, 10507632), (48, 8756360), (51, 8241280), (60, 7005088), (64, 6567270), (68, 6180960), (79, 5320320), (80, 5253816), (85, 4944768), (96, 4378180), (102, 4120640), (120, 3502544), (128, 3283635), (136, 3090480), (158, 2660160), (160, 2626908), (163, 2578560), (170, 2472384), (192, 2189090), (204, 2060320), (237, 1773440), (240, 1751272), (255, 1648256), (272, 1545240), (316, 1330080), (320, 1313454), (326, 1289280), (340, 1236192), (384, 1094545), (395, 1064064), (408, 1030160), (474, 886720), (480, 875636), (489, 859520), (510, 824128), (544, 772620), (632, 665040), (640, 656727), (652, 644640), (680, 618096), (790, 532032), (815, 515712), (816, 515080), (948, 443360), (960, 437818), (978, 429760), (1020, 412064), (1088, 386310), (1185, 354688), (1264, 332520), (1304, 322320), (1343, 312960), (1360, 309048), (1580, 266016), (1630, 257856), (1632, 257540), (1896, 221680), (1920, 218909), (1956, 214880), (2040, 206032), (2176, 193155), (2370, 177344), (2445, 171904), (2528, 166260), (2608, 161160), (2686, 156480), (2720, 154524), (2771, 151680), (3160, 133008), (3260, 128928), (3264, 128770), (3792, 110840), (3912, 107440), (4029, 104320), (4080, 103016), (4740, 88672), (4890, 85952), (5056, 83130), (5216, 80580), (5372, 78240), (5440, 77262), (5542, 75840), (6320, 66504), (6520, 64464), (6528, 64385), (6715, 62592), (7584, 55420), (7824, 53720), (8058, 52160), (8160, 51508), (8313, 50560), (9480, 44336), (9780, 42976), (10112, 41565), (10432, 40290), (10744, 39120), (10880, 38631), (11084, 37920), (12640, 33252), (12877, 32640), (13040, 32232), (13430, 31296), (13855, 30336), (15168, 27710), (15648, 26860), (16116, 26080), (16320, 25754), (16626, 25280), (18960, 22168), (19560, 21488), (20145, 20864)]