639188256

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 192

約数和(自身を含む): 2015870976

約数和(自身を除く): 1376682720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 31, 32, 42, 48, 56, 61, 62, 84, 93, 96, 112, 122, 124, 168, 183, 186, 217, 224, 244, 248, 336, 366, 372, 427, 434, 488, 496, 503, 651, 672, 732, 744, 854, 868, 976, 992, 1006, 1281, 1302, 1464, 1488, 1509, 1708, 1736, 1891, 1952, 2012, 2562, 2604, 2928, 2976, 3018, 3416, 3472, 3521, 3782, 4024, 5124, 5208, 5673, 5856, 6036, 6832, 6944, 7042, 7564, 8048, 10248, 10416, 10563, 11346, 12072, 13237, 13664, 14084, 15128, 15593, 16096, 20496, 20832, 21126, 22692, 24144, 26474, 28168, 30256, 30683, 31186, 39711, 40992, 42252, 45384, 46779, 48288, 52948, 56336, 60512, 61366, 62372, 79422, 84504, 90768, 92049, 93558, 105896, 109151, 112672, 122732, 124744, 158844, 169008, 181536, 184098, 187116, 211792, 214781, 218302, 245464, 249488, 317688, 327453, 338016, 368196, 374232, 423584, 429562, 436604, 490928, 498976, 635376, 644343, 654906, 736392, 748464, 859124, 873208, 951173, 981856, 1270752, 1288686, 1309812, 1472784, 1496928, 1718248, 1746416, 1902346, 2577372, 2619624, 2853519, 2945568, 3436496, 3492832, 3804692, 5154744, 5239248, 5707038, 6658211, 6872992, 7609384, 10309488, 10478496, 11414076, 13316422, 15218768, 19974633, 20618976, 22828152, 26632844, 30437536, 39949266, 45656304, 53265688, 79898532, 91312608, 106531376, 159797064, 213062752, 319594128, 639188256]

約数ペア:

[(1, 639188256), (2, 319594128), (3, 213062752), (4, 159797064), (6, 106531376), (7, 91312608), (8, 79898532), (12, 53265688), (14, 45656304), (16, 39949266), (21, 30437536), (24, 26632844), (28, 22828152), (31, 20618976), (32, 19974633), (42, 15218768), (48, 13316422), (56, 11414076), (61, 10478496), (62, 10309488), (84, 7609384), (93, 6872992), (96, 6658211), (112, 5707038), (122, 5239248), (124, 5154744), (168, 3804692), (183, 3492832), (186, 3436496), (217, 2945568), (224, 2853519), (244, 2619624), (248, 2577372), (336, 1902346), (366, 1746416), (372, 1718248), (427, 1496928), (434, 1472784), (488, 1309812), (496, 1288686), (503, 1270752), (651, 981856), (672, 951173), (732, 873208), (744, 859124), (854, 748464), (868, 736392), (976, 654906), (992, 644343), (1006, 635376), (1281, 498976), (1302, 490928), (1464, 436604), (1488, 429562), (1509, 423584), (1708, 374232), (1736, 368196), (1891, 338016), (1952, 327453), (2012, 317688), (2562, 249488), (2604, 245464), (2928, 218302), (2976, 214781), (3018, 211792), (3416, 187116), (3472, 184098), (3521, 181536), (3782, 169008), (4024, 158844), (5124, 124744), (5208, 122732), (5673, 112672), (5856, 109151), (6036, 105896), (6832, 93558), (6944, 92049), (7042, 90768), (7564, 84504), (8048, 79422), (10248, 62372), (10416, 61366), (10563, 60512), (11346, 56336), (12072, 52948), (13237, 48288), (13664, 46779), (14084, 45384), (15128, 42252), (15593, 40992), (16096, 39711), (20496, 31186), (20832, 30683), (21126, 30256), (22692, 28168), (24144, 26474)]