640063944

素因数分解:

$2^3\times 3^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:127

約数の個数: 384

約数和(自身を含む): 2152550400

約数和(自身を除く): 1512486456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 27, 31, 36, 38, 39, 43, 52, 54, 57, 62, 72, 76, 78, 81, 86, 93, 104, 108, 114, 117, 124, 129, 152, 156, 162, 171, 172, 186, 216, 228, 234, 243, 247, 248, 258, 279, 312, 324, 342, 344, 351, 372, 387, 403, 456, 468, 486, 494, 513, 516, 558, 559, 589, 648, 684, 702, 741, 744, 774, 806, 817, 837, 936, 972, 988, 1026, 1032, 1053, 1116, 1118, 1161, 1178, 1209, 1333, 1368, 1404, 1482, 1539, 1548, 1612, 1634, 1674, 1677, 1767, 1944, 1976, 2052, 2106, 2223, 2232, 2236, 2322, 2356, 2418, 2451, 2511, 2666, 2808, 2964, 3078, 3096, 3159, 3224, 3268, 3348, 3354, 3483, 3534, 3627, 3999, 4104, 4212, 4446, 4472, 4617, 4644, 4712, 4836, 4902, 5022, 5031, 5301, 5332, 5928, 6156, 6318, 6536, 6669, 6696, 6708, 6966, 7068, 7254, 7353, 7533, 7657, 7998, 8424, 8892, 9234, 9288, 9672, 9804, 10044, 10062, 10449, 10602, 10621, 10664, 10881, 11997, 12312, 12636, 13338, 13416, 13932, 14136, 14508, 14706, 15066, 15093, 15314, 15903, 15996, 17329, 17784, 18468, 19608, 20007, 20088, 20124, 20898, 21204, 21242, 21762, 22059, 22971, 23994, 25272, 25327, 26676, 27864, 29016, 29412, 30132, 30186, 30628, 31806, 31863, 31992, 32643, 34658, 35991, 36936, 40014, 40248, 41796, 42408, 42484, 43524, 44118, 45279, 45942, 47709, 47988, 50654, 51987, 53352, 58824, 60021, 60264, 60372, 61256, 63612, 63726, 65286, 66177, 68913, 69316, 71982, 75981, 80028, 83592, 84968, 87048, 88236, 90558, 91884, 95418, 95589, 95976, 97929, 101308, 103974, 107973, 120042, 120744, 127224, 127452, 130572, 132354, 135837, 137826, 138632, 143127, 143964, 151962, 155961, 160056, 176472, 181116, 183768, 190836, 191178, 195858, 198531, 202616, 206739, 207948, 215946, 227943, 240084, 254904, 261144, 264708, 271674, 275652, 286254, 286767, 287928, 303924, 311922, 323919, 329251, 362232, 381672, 382356, 391716, 397062, 413478, 415896, 431892, 455886, 467883, 480168, 529416, 543348, 551304, 572508, 573534, 607848, 620217, 623844, 647838, 658502, 683829, 764712, 783432, 794124, 826956, 860301, 863784, 911772, 935766, 987753, 1086696, 1145016, 1147068, 1240434, 1247688, 1295676, 1317004, 1367658, 1403649, 1588248, 1653912, 1720602, 1823544, 1860651, 1871532, 1975506, 2051487, 2294136, 2480868, 2580903, 2591352, 2634008, 2735316, 2807298, 2963259, 3441204, 3721302, 3743064, 3951012, 4102974, 4210947, 4961736, 5161806, 5470632, 5614596, 5926518, 6154461, 6882408, 7442604, 7902024, 8205948, 8421894, 8889777, 10323612, 11229192, 11853036, 12308922, 14885208, 16411896, 16843788, 17779554, 20647224, 23706072, 24617844, 26669331, 33687576, 35559108, 49235688, 53338662, 71118216, 80007993, 106677324, 160015986, 213354648, 320031972, 640063944]

約数ペア:

[(1, 640063944), (2, 320031972), (3, 213354648), (4, 160015986), (6, 106677324), (8, 80007993), (9, 71118216), (12, 53338662), (13, 49235688), (18, 35559108), (19, 33687576), (24, 26669331), (26, 24617844), (27, 23706072), (31, 20647224), (36, 17779554), (38, 16843788), (39, 16411896), (43, 14885208), (52, 12308922), (54, 11853036), (57, 11229192), (62, 10323612), (72, 8889777), (76, 8421894), (78, 8205948), (81, 7902024), (86, 7442604), (93, 6882408), (104, 6154461), (108, 5926518), (114, 5614596), (117, 5470632), (124, 5161806), (129, 4961736), (152, 4210947), (156, 4102974), (162, 3951012), (171, 3743064), (172, 3721302), (186, 3441204), (216, 2963259), (228, 2807298), (234, 2735316), (243, 2634008), (247, 2591352), (248, 2580903), (258, 2480868), (279, 2294136), (312, 2051487), (324, 1975506), (342, 1871532), (344, 1860651), (351, 1823544), (372, 1720602), (387, 1653912), (403, 1588248), (456, 1403649), (468, 1367658), (486, 1317004), (494, 1295676), (513, 1247688), (516, 1240434), (558, 1147068), (559, 1145016), (589, 1086696), (648, 987753), (684, 935766), (702, 911772), (741, 863784), (744, 860301), (774, 826956), (806, 794124), (817, 783432), (837, 764712), (936, 683829), (972, 658502), (988, 647838), (1026, 623844), (1032, 620217), (1053, 607848), (1116, 573534), (1118, 572508), (1161, 551304), (1178, 543348), (1209, 529416), (1333, 480168), (1368, 467883), (1404, 455886), (1482, 431892), (1539, 415896), (1548, 413478), (1612, 397062), (1634, 391716), (1674, 382356), (1677, 381672), (1767, 362232), (1944, 329251), (1976, 323919), (2052, 311922), (2106, 303924), (2223, 287928), (2232, 286767), (2236, 286254), (2322, 275652), (2356, 271674), (2418, 264708), (2451, 261144), (2511, 254904), (2666, 240084), (2808, 227943), (2964, 215946), (3078, 207948), (3096, 206739), (3159, 202616), (3224, 198531), (3268, 195858), (3348, 191178), (3354, 190836), (3483, 183768), (3534, 181116), (3627, 176472), (3999, 160056), (4104, 155961), (4212, 151962), (4446, 143964), (4472, 143127), (4617, 138632), (4644, 137826), (4712, 135837), (4836, 132354), (4902, 130572), (5022, 127452), (5031, 127224), (5301, 120744), (5332, 120042), (5928, 107973), (6156, 103974), (6318, 101308), (6536, 97929), (6669, 95976), (6696, 95589), (6708, 95418), (6966, 91884), (7068, 90558), (7254, 88236), (7353, 87048), (7533, 84968), (7657, 83592), (7998, 80028), (8424, 75981), (8892, 71982), (9234, 69316), (9288, 68913), (9672, 66177), (9804, 65286), (10044, 63726), (10062, 63612), (10449, 61256), (10602, 60372), (10621, 60264), (10664, 60021), (10881, 58824), (11997, 53352), (12312, 51987), (12636, 50654), (13338, 47988), (13416, 47709), (13932, 45942), (14136, 45279), (14508, 44118), (14706, 43524), (15066, 42484), (15093, 42408), (15314, 41796), (15903, 40248), (15996, 40014), (17329, 36936), (17784, 35991), (18468, 34658), (19608, 32643), (20007, 31992), (20088, 31863), (20124, 31806), (20898, 30628), (21204, 30186), (21242, 30132), (21762, 29412), (22059, 29016), (22971, 27864), (23994, 26676), (25272, 25327)]