642176640

素因数分解:

$2^7\times 3^3\times 5^1\times 7^1\times {\mathrm{5309}}^1$

素因数の和:5344

約数の個数: 256

約数和(自身を含む): 2599776000

約数和(自身を除く): 1957599360

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, 2688, 2880, 3024, 3360, 3456, 3780, 4032, 4320, 4480, 5040, 5309, 5760, 6048, 6720, 7560, 8064, 8640, 10080, 10618, 12096, 13440, 15120, 15927, 17280, 20160, 21236, 24192, 26545, 30240, 31854, 37163, 40320, 42472, 47781, 53090, 60480, 63708, 74326, 79635, 84944, 95562, 106180, 111489, 120960, 127416, 143343, 148652, 159270, 169888, 185815, 191124, 212360, 222978, 238905, 254832, 286686, 297304, 318540, 334467, 339776, 371630, 382248, 424720, 445956, 477810, 509664, 557445, 573372, 594608, 637080, 668934, 679552, 716715, 743260, 764496, 849440, 891912, 955620, 1003401, 1019328, 1114890, 1146744, 1189216, 1274160, 1337868, 1433430, 1486520, 1528992, 1672335, 1698880, 1783824, 1911240, 2006802, 2038656, 2229780, 2293488, 2378432, 2548320, 2675736, 2866860, 2973040, 3057984, 3344670, 3397760, 3567648, 3822480, 4013604, 4459560, 4586976, 4756864, 5017005, 5096640, 5351472, 5733720, 5946080, 6115968, 6689340, 7135296, 7644960, 8027208, 8919120, 9173952, 10034010, 10193280, 10702944, 11467440, 11892160, 13378680, 14270592, 15289920, 16054416, 17838240, 18347904, 20068020, 21405888, 22934880, 23784320, 26757360, 30579840, 32108832, 35676480, 40136040, 42811776, 45869760, 53514720, 64217664, 71352960, 80272080, 91739520, 107029440, 128435328, 160544160, 214058880, 321088320, 642176640]

約数ペア:

[(1, 642176640), (2, 321088320), (3, 214058880), (4, 160544160), (5, 128435328), (6, 107029440), (7, 91739520), (8, 80272080), (9, 71352960), (10, 64217664), (12, 53514720), (14, 45869760), (15, 42811776), (16, 40136040), (18, 35676480), (20, 32108832), (21, 30579840), (24, 26757360), (27, 23784320), (28, 22934880), (30, 21405888), (32, 20068020), (35, 18347904), (36, 17838240), (40, 16054416), (42, 15289920), (45, 14270592), (48, 13378680), (54, 11892160), (56, 11467440), (60, 10702944), (63, 10193280), (64, 10034010), (70, 9173952), (72, 8919120), (80, 8027208), (84, 7644960), (90, 7135296), (96, 6689340), (105, 6115968), (108, 5946080), (112, 5733720), (120, 5351472), (126, 5096640), (128, 5017005), (135, 4756864), (140, 4586976), (144, 4459560), (160, 4013604), (168, 3822480), (180, 3567648), (189, 3397760), (192, 3344670), (210, 3057984), (216, 2973040), (224, 2866860), (240, 2675736), (252, 2548320), (270, 2378432), (280, 2293488), (288, 2229780), (315, 2038656), (320, 2006802), (336, 1911240), (360, 1783824), (378, 1698880), (384, 1672335), (420, 1528992), (432, 1486520), (448, 1433430), (480, 1337868), (504, 1274160), (540, 1189216), (560, 1146744), (576, 1114890), (630, 1019328), (640, 1003401), (672, 955620), (720, 891912), (756, 849440), (840, 764496), (864, 743260), (896, 716715), (945, 679552), (960, 668934), (1008, 637080), (1080, 594608), (1120, 573372), (1152, 557445), (1260, 509664), (1344, 477810), (1440, 445956), (1512, 424720), (1680, 382248), (1728, 371630), (1890, 339776), (1920, 334467), (2016, 318540), (2160, 297304), (2240, 286686), (2520, 254832), (2688, 238905), (2880, 222978), (3024, 212360), (3360, 191124), (3456, 185815), (3780, 169888), (4032, 159270), (4320, 148652), (4480, 143343), (5040, 127416), (5309, 120960), (5760, 111489), (6048, 106180), (6720, 95562), (7560, 84944), (8064, 79635), (8640, 74326), (10080, 63708), (10618, 60480), (12096, 53090), (13440, 47781), (15120, 42472), (15927, 40320), (17280, 37163), (20160, 31854), (21236, 30240), (24192, 26545)]