642544320

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:959

約数の個数: 224

約数和(自身を含む): 2259518976

約数和(自身を除く): 1616974656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 71, 80, 88, 96, 110, 120, 132, 142, 160, 165, 176, 192, 213, 220, 240, 264, 284, 320, 330, 352, 355, 426, 440, 480, 528, 568, 660, 704, 710, 781, 852, 857, 880, 960, 1056, 1065, 1136, 1320, 1420, 1562, 1704, 1714, 1760, 2112, 2130, 2272, 2343, 2571, 2640, 2840, 3124, 3408, 3428, 3520, 3905, 4260, 4285, 4544, 4686, 5142, 5280, 5680, 6248, 6816, 6856, 7810, 8520, 8570, 9372, 9427, 10284, 10560, 11360, 11715, 12496, 12855, 13632, 13712, 15620, 17040, 17140, 18744, 18854, 20568, 22720, 23430, 24992, 25710, 27424, 28281, 31240, 34080, 34280, 37488, 37708, 41136, 46860, 47135, 49984, 51420, 54848, 56562, 60847, 62480, 68160, 68560, 74976, 75416, 82272, 93720, 94270, 102840, 113124, 121694, 124960, 137120, 141405, 149952, 150832, 164544, 182541, 187440, 188540, 205680, 226248, 243388, 249920, 274240, 282810, 301664, 304235, 365082, 374880, 377080, 411360, 452496, 486776, 565620, 603328, 608470, 669317, 730164, 749760, 754160, 822720, 904992, 912705, 973552, 1131240, 1216940, 1338634, 1460328, 1508320, 1809984, 1825410, 1947104, 2007951, 2262480, 2433880, 2677268, 2920656, 3016640, 3346585, 3650820, 3894208, 4015902, 4524960, 4867760, 5354536, 5841312, 6693170, 7301640, 8031804, 9049920, 9735520, 10039755, 10709072, 11682624, 13386340, 14603280, 16063608, 19471040, 20079510, 21418144, 26772680, 29206560, 32127216, 40159020, 42836288, 53545360, 58413120, 64254432, 80318040, 107090720, 128508864, 160636080, 214181440, 321272160, 642544320]

約数ペア:

[(1, 642544320), (2, 321272160), (3, 214181440), (4, 160636080), (5, 128508864), (6, 107090720), (8, 80318040), (10, 64254432), (11, 58413120), (12, 53545360), (15, 42836288), (16, 40159020), (20, 32127216), (22, 29206560), (24, 26772680), (30, 21418144), (32, 20079510), (33, 19471040), (40, 16063608), (44, 14603280), (48, 13386340), (55, 11682624), (60, 10709072), (64, 10039755), (66, 9735520), (71, 9049920), (80, 8031804), (88, 7301640), (96, 6693170), (110, 5841312), (120, 5354536), (132, 4867760), (142, 4524960), (160, 4015902), (165, 3894208), (176, 3650820), (192, 3346585), (213, 3016640), (220, 2920656), (240, 2677268), (264, 2433880), (284, 2262480), (320, 2007951), (330, 1947104), (352, 1825410), (355, 1809984), (426, 1508320), (440, 1460328), (480, 1338634), (528, 1216940), (568, 1131240), (660, 973552), (704, 912705), (710, 904992), (781, 822720), (852, 754160), (857, 749760), (880, 730164), (960, 669317), (1056, 608470), (1065, 603328), (1136, 565620), (1320, 486776), (1420, 452496), (1562, 411360), (1704, 377080), (1714, 374880), (1760, 365082), (2112, 304235), (2130, 301664), (2272, 282810), (2343, 274240), (2571, 249920), (2640, 243388), (2840, 226248), (3124, 205680), (3408, 188540), (3428, 187440), (3520, 182541), (3905, 164544), (4260, 150832), (4285, 149952), (4544, 141405), (4686, 137120), (5142, 124960), (5280, 121694), (5680, 113124), (6248, 102840), (6816, 94270), (6856, 93720), (7810, 82272), (8520, 75416), (8570, 74976), (9372, 68560), (9427, 68160), (10284, 62480), (10560, 60847), (11360, 56562), (11715, 54848), (12496, 51420), (12855, 49984), (13632, 47135), (13712, 46860), (15620, 41136), (17040, 37708), (17140, 37488), (18744, 34280), (18854, 34080), (20568, 31240), (22720, 28281), (23430, 27424), (24992, 25710)]