645802416

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^2$

素因数の和:221

約数の個数: 240

約数和(自身を含む): 2213509120

約数和(自身を除く): 1567706704

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 36, 42, 48, 54, 56, 62, 63, 72, 83, 84, 93, 108, 112, 124, 126, 144, 166, 168, 186, 189, 216, 217, 248, 249, 252, 279, 332, 336, 372, 378, 432, 434, 496, 498, 504, 558, 581, 651, 664, 744, 747, 756, 837, 868, 996, 1008, 1116, 1162, 1302, 1328, 1488, 1494, 1512, 1674, 1736, 1743, 1953, 1992, 2232, 2241, 2324, 2573, 2604, 2988, 3024, 3348, 3472, 3486, 3906, 3984, 4464, 4482, 4648, 5146, 5208, 5229, 5859, 5976, 6696, 6889, 6972, 7719, 7812, 8964, 9296, 10292, 10416, 10458, 11718, 11952, 13392, 13778, 13944, 15438, 15624, 15687, 17928, 18011, 20584, 20667, 20916, 23157, 23436, 27556, 27888, 30876, 31248, 31374, 35856, 36022, 41168, 41334, 41832, 46314, 46872, 48223, 54033, 55112, 61752, 62001, 62748, 69471, 72044, 82668, 83664, 92628, 93744, 96446, 108066, 110224, 123504, 124002, 125496, 138942, 144088, 144669, 162099, 165336, 185256, 186003, 192892, 213559, 216132, 248004, 250992, 277884, 288176, 289338, 324198, 330672, 370512, 372006, 385784, 427118, 432264, 434007, 486297, 496008, 555768, 578676, 640677, 648396, 744012, 771568, 854236, 864528, 868014, 972594, 992016, 1111536, 1157352, 1281354, 1296792, 1302021, 1488024, 1494913, 1708472, 1736028, 1922031, 1945188, 2314704, 2562708, 2593584, 2604042, 2976048, 2989826, 3416944, 3472056, 3844062, 3890376, 4484739, 5125416, 5208084, 5766093, 5979652, 6944112, 7688124, 7780752, 8969478, 10250832, 10416168, 11532186, 11959304, 13454217, 15376248, 17938956, 20832336, 23064372, 23918608, 26908434, 30752496, 35877912, 40362651, 46128744, 53816868, 71755824, 80725302, 92257488, 107633736, 161450604, 215267472, 322901208, 645802416]

約数ペア:

[(1, 645802416), (2, 322901208), (3, 215267472), (4, 161450604), (6, 107633736), (7, 92257488), (8, 80725302), (9, 71755824), (12, 53816868), (14, 46128744), (16, 40362651), (18, 35877912), (21, 30752496), (24, 26908434), (27, 23918608), (28, 23064372), (31, 20832336), (36, 17938956), (42, 15376248), (48, 13454217), (54, 11959304), (56, 11532186), (62, 10416168), (63, 10250832), (72, 8969478), (83, 7780752), (84, 7688124), (93, 6944112), (108, 5979652), (112, 5766093), (124, 5208084), (126, 5125416), (144, 4484739), (166, 3890376), (168, 3844062), (186, 3472056), (189, 3416944), (216, 2989826), (217, 2976048), (248, 2604042), (249, 2593584), (252, 2562708), (279, 2314704), (332, 1945188), (336, 1922031), (372, 1736028), (378, 1708472), (432, 1494913), (434, 1488024), (496, 1302021), (498, 1296792), (504, 1281354), (558, 1157352), (581, 1111536), (651, 992016), (664, 972594), (744, 868014), (747, 864528), (756, 854236), (837, 771568), (868, 744012), (996, 648396), (1008, 640677), (1116, 578676), (1162, 555768), (1302, 496008), (1328, 486297), (1488, 434007), (1494, 432264), (1512, 427118), (1674, 385784), (1736, 372006), (1743, 370512), (1953, 330672), (1992, 324198), (2232, 289338), (2241, 288176), (2324, 277884), (2573, 250992), (2604, 248004), (2988, 216132), (3024, 213559), (3348, 192892), (3472, 186003), (3486, 185256), (3906, 165336), (3984, 162099), (4464, 144669), (4482, 144088), (4648, 138942), (5146, 125496), (5208, 124002), (5229, 123504), (5859, 110224), (5976, 108066), (6696, 96446), (6889, 93744), (6972, 92628), (7719, 83664), (7812, 82668), (8964, 72044), (9296, 69471), (10292, 62748), (10416, 62001), (10458, 61752), (11718, 55112), (11952, 54033), (13392, 48223), (13778, 46872), (13944, 46314), (15438, 41832), (15624, 41334), (15687, 41168), (17928, 36022), (18011, 35856), (20584, 31374), (20667, 31248), (20916, 30876), (23157, 27888), (23436, 27556)]