648912320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:315

約数の個数: 224

約数和(自身を含む): 1892198400

約数和(自身を除く): 1243286080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 79, 80, 95, 112, 133, 140, 152, 158, 160, 190, 193, 224, 266, 280, 304, 316, 320, 380, 386, 395, 448, 532, 553, 560, 608, 632, 665, 760, 772, 790, 965, 1064, 1106, 1120, 1216, 1264, 1330, 1351, 1501, 1520, 1544, 1580, 1930, 2128, 2212, 2240, 2528, 2660, 2702, 2765, 3002, 3040, 3088, 3160, 3667, 3860, 4256, 4424, 5056, 5320, 5404, 5530, 6004, 6080, 6176, 6320, 6755, 7334, 7505, 7720, 8512, 8848, 10507, 10640, 10808, 11060, 12008, 12352, 12640, 13510, 14668, 15010, 15247, 15440, 17696, 18335, 21014, 21280, 21616, 22120, 24016, 25280, 25669, 27020, 29336, 30020, 30494, 30880, 35392, 36670, 42028, 42560, 43232, 44240, 48032, 51338, 52535, 54040, 58672, 60040, 60988, 61760, 73340, 76235, 84056, 86464, 88480, 96064, 102676, 105070, 106729, 108080, 117344, 120080, 121976, 128345, 146680, 152470, 168112, 176960, 205352, 210140, 213458, 216160, 234688, 240160, 243952, 256690, 289693, 293360, 304940, 336224, 410704, 420280, 426916, 432320, 480320, 487904, 513380, 533645, 579386, 586720, 609880, 672448, 821408, 840560, 853832, 975808, 1026760, 1067290, 1158772, 1173440, 1219760, 1448465, 1642816, 1681120, 1707664, 2027851, 2053520, 2134580, 2317544, 2439520, 2896930, 3362240, 3415328, 4055702, 4107040, 4269160, 4635088, 4879040, 5793860, 6830656, 8111404, 8214080, 8538320, 9270176, 10139255, 11587720, 16222808, 17076640, 18540352, 20278510, 23175440, 32445616, 34153280, 40557020, 46350880, 64891232, 81114040, 92701760, 129782464, 162228080, 324456160, 648912320]

約数ペア:

[(1, 648912320), (2, 324456160), (4, 162228080), (5, 129782464), (7, 92701760), (8, 81114040), (10, 64891232), (14, 46350880), (16, 40557020), (19, 34153280), (20, 32445616), (28, 23175440), (32, 20278510), (35, 18540352), (38, 17076640), (40, 16222808), (56, 11587720), (64, 10139255), (70, 9270176), (76, 8538320), (79, 8214080), (80, 8111404), (95, 6830656), (112, 5793860), (133, 4879040), (140, 4635088), (152, 4269160), (158, 4107040), (160, 4055702), (190, 3415328), (193, 3362240), (224, 2896930), (266, 2439520), (280, 2317544), (304, 2134580), (316, 2053520), (320, 2027851), (380, 1707664), (386, 1681120), (395, 1642816), (448, 1448465), (532, 1219760), (553, 1173440), (560, 1158772), (608, 1067290), (632, 1026760), (665, 975808), (760, 853832), (772, 840560), (790, 821408), (965, 672448), (1064, 609880), (1106, 586720), (1120, 579386), (1216, 533645), (1264, 513380), (1330, 487904), (1351, 480320), (1501, 432320), (1520, 426916), (1544, 420280), (1580, 410704), (1930, 336224), (2128, 304940), (2212, 293360), (2240, 289693), (2528, 256690), (2660, 243952), (2702, 240160), (2765, 234688), (3002, 216160), (3040, 213458), (3088, 210140), (3160, 205352), (3667, 176960), (3860, 168112), (4256, 152470), (4424, 146680), (5056, 128345), (5320, 121976), (5404, 120080), (5530, 117344), (6004, 108080), (6080, 106729), (6176, 105070), (6320, 102676), (6755, 96064), (7334, 88480), (7505, 86464), (7720, 84056), (8512, 76235), (8848, 73340), (10507, 61760), (10640, 60988), (10808, 60040), (11060, 58672), (12008, 54040), (12352, 52535), (12640, 51338), (13510, 48032), (14668, 44240), (15010, 43232), (15247, 42560), (15440, 42028), (17696, 36670), (18335, 35392), (21014, 30880), (21280, 30494), (21616, 30020), (22120, 29336), (24016, 27020), (25280, 25669)]