256912488

素因数分解:

$2^3\times 3^2\times 7^3\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:237

約数の個数: 192

約数和(自身を含む): 827424000

約数和(自身を除く): 570511512

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 101, 103, 126, 147, 168, 196, 202, 206, 252, 294, 303, 309, 343, 392, 404, 412, 441, 504, 588, 606, 618, 686, 707, 721, 808, 824, 882, 909, 927, 1029, 1176, 1212, 1236, 1372, 1414, 1442, 1764, 1818, 1854, 2058, 2121, 2163, 2424, 2472, 2744, 2828, 2884, 3087, 3528, 3636, 3708, 4116, 4242, 4326, 4949, 5047, 5656, 5768, 6174, 6363, 6489, 7272, 7416, 8232, 8484, 8652, 9898, 10094, 10403, 12348, 12726, 12978, 14847, 15141, 16968, 17304, 19796, 20188, 20806, 24696, 25452, 25956, 29694, 30282, 31209, 34643, 35329, 39592, 40376, 41612, 44541, 45423, 50904, 51912, 59388, 60564, 62418, 69286, 70658, 72821, 83224, 89082, 90846, 93627, 103929, 105987, 118776, 121128, 124836, 138572, 141316, 145642, 178164, 181692, 187254, 207858, 211974, 218463, 249672, 277144, 282632, 291284, 311787, 317961, 356328, 363384, 374508, 415716, 423948, 436926, 509747, 582568, 623574, 635922, 655389, 749016, 831432, 847896, 873852, 1019494, 1247148, 1271844, 1310778, 1529241, 1747704, 2038988, 2494296, 2543688, 2621556, 3058482, 3568229, 4077976, 4587723, 5243112, 6116964, 7136458, 9175446, 10704687, 12233928, 14272916, 18350892, 21409374, 28545832, 32114061, 36701784, 42818748, 64228122, 85637496, 128456244, 256912488]

約数ペア:

[(1, 256912488), (2, 128456244), (3, 85637496), (4, 64228122), (6, 42818748), (7, 36701784), (8, 32114061), (9, 28545832), (12, 21409374), (14, 18350892), (18, 14272916), (21, 12233928), (24, 10704687), (28, 9175446), (36, 7136458), (42, 6116964), (49, 5243112), (56, 4587723), (63, 4077976), (72, 3568229), (84, 3058482), (98, 2621556), (101, 2543688), (103, 2494296), (126, 2038988), (147, 1747704), (168, 1529241), (196, 1310778), (202, 1271844), (206, 1247148), (252, 1019494), (294, 873852), (303, 847896), (309, 831432), (343, 749016), (392, 655389), (404, 635922), (412, 623574), (441, 582568), (504, 509747), (588, 436926), (606, 423948), (618, 415716), (686, 374508), (707, 363384), (721, 356328), (808, 317961), (824, 311787), (882, 291284), (909, 282632), (927, 277144), (1029, 249672), (1176, 218463), (1212, 211974), (1236, 207858), (1372, 187254), (1414, 181692), (1442, 178164), (1764, 145642), (1818, 141316), (1854, 138572), (2058, 124836), (2121, 121128), (2163, 118776), (2424, 105987), (2472, 103929), (2744, 93627), (2828, 90846), (2884, 89082), (3087, 83224), (3528, 72821), (3636, 70658), (3708, 69286), (4116, 62418), (4242, 60564), (4326, 59388), (4949, 51912), (5047, 50904), (5656, 45423), (5768, 44541), (6174, 41612), (6363, 40376), (6489, 39592), (7272, 35329), (7416, 34643), (8232, 31209), (8484, 30282), (8652, 29694), (9898, 25956), (10094, 25452), (10403, 24696), (12348, 20806), (12726, 20188), (12978, 19796), (14847, 17304), (15141, 16968)]