641340648

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 2016967680

約数和(自身を除く): 1375627032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 23, 24, 26, 31, 36, 39, 46, 52, 62, 69, 72, 78, 92, 93, 104, 117, 124, 138, 156, 184, 186, 207, 234, 248, 276, 279, 299, 312, 372, 403, 414, 468, 552, 558, 598, 713, 744, 806, 828, 897, 936, 961, 1116, 1196, 1209, 1426, 1612, 1656, 1794, 1922, 2139, 2232, 2392, 2418, 2691, 2852, 2883, 3224, 3588, 3627, 3844, 4278, 4836, 5382, 5704, 5766, 6417, 7176, 7254, 7688, 8556, 8649, 9269, 9672, 10764, 11532, 12493, 12834, 14508, 17112, 17298, 18538, 21528, 22103, 23064, 24986, 25668, 27807, 29016, 29791, 34596, 37076, 37479, 44206, 49972, 51336, 55614, 59582, 66309, 69192, 74152, 74958, 83421, 88412, 89373, 99944, 111228, 112437, 119164, 132618, 149916, 166842, 176824, 178746, 198927, 222456, 224874, 238328, 265236, 268119, 287339, 299832, 333684, 357492, 387283, 397854, 449748, 530472, 536238, 574678, 667368, 685193, 714984, 774566, 795708, 862017, 899496, 1072476, 1149356, 1161849, 1370386, 1549132, 1591416, 1724034, 2055579, 2144952, 2298712, 2323698, 2586051, 2740772, 3098264, 3448068, 3485547, 4111158, 4647396, 5172102, 5481544, 6166737, 6896136, 6971094, 8222316, 8907509, 9294792, 10344204, 12333474, 13942188, 16444632, 17815018, 20688408, 24666948, 26722527, 27884376, 35630036, 49333896, 53445054, 71260072, 80167581, 106890108, 160335162, 213780216, 320670324, 641340648]

約数ペア:

[(1, 641340648), (2, 320670324), (3, 213780216), (4, 160335162), (6, 106890108), (8, 80167581), (9, 71260072), (12, 53445054), (13, 49333896), (18, 35630036), (23, 27884376), (24, 26722527), (26, 24666948), (31, 20688408), (36, 17815018), (39, 16444632), (46, 13942188), (52, 12333474), (62, 10344204), (69, 9294792), (72, 8907509), (78, 8222316), (92, 6971094), (93, 6896136), (104, 6166737), (117, 5481544), (124, 5172102), (138, 4647396), (156, 4111158), (184, 3485547), (186, 3448068), (207, 3098264), (234, 2740772), (248, 2586051), (276, 2323698), (279, 2298712), (299, 2144952), (312, 2055579), (372, 1724034), (403, 1591416), (414, 1549132), (468, 1370386), (552, 1161849), (558, 1149356), (598, 1072476), (713, 899496), (744, 862017), (806, 795708), (828, 774566), (897, 714984), (936, 685193), (961, 667368), (1116, 574678), (1196, 536238), (1209, 530472), (1426, 449748), (1612, 397854), (1656, 387283), (1794, 357492), (1922, 333684), (2139, 299832), (2232, 287339), (2392, 268119), (2418, 265236), (2691, 238328), (2852, 224874), (2883, 222456), (3224, 198927), (3588, 178746), (3627, 176824), (3844, 166842), (4278, 149916), (4836, 132618), (5382, 119164), (5704, 112437), (5766, 111228), (6417, 99944), (7176, 89373), (7254, 88412), (7688, 83421), (8556, 74958), (8649, 74152), (9269, 69192), (9672, 66309), (10764, 59582), (11532, 55614), (12493, 51336), (12834, 49972), (14508, 44206), (17112, 37479), (17298, 37076), (18538, 34596), (21528, 29791), (22103, 29016), (23064, 27807), (24986, 25668)]