1680490168

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{1949}}^1$

素因数の和:2224

約数の個数: 64

約数和(自身を含む): 3664440000

約数和(自身を除く): 1983949832

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 173, 178, 346, 356, 623, 692, 712, 1211, 1246, 1384, 1949, 2422, 2492, 3898, 4844, 4984, 7796, 9688, 13643, 15397, 15592, 27286, 30794, 54572, 61588, 107779, 109144, 123176, 173461, 215558, 337177, 346922, 431116, 674354, 693844, 862232, 1214227, 1348708, 1387688, 2360239, 2428454, 2697416, 4720478, 4856908, 9440956, 9713816, 18881912, 30008753, 60017506, 120035012, 210061271, 240070024, 420122542, 840245084, 1680490168]

約数ペア:

[(1, 1680490168), (2, 840245084), (4, 420122542), (7, 240070024), (8, 210061271), (14, 120035012), (28, 60017506), (56, 30008753), (89, 18881912), (173, 9713816), (178, 9440956), (346, 4856908), (356, 4720478), (623, 2697416), (692, 2428454), (712, 2360239), (1211, 1387688), (1246, 1348708), (1384, 1214227), (1949, 862232), (2422, 693844), (2492, 674354), (3898, 431116), (4844, 346922), (4984, 337177), (7796, 215558), (9688, 173461), (13643, 123176), (15397, 109144), (15592, 107779), (27286, 61588), (30794, 54572)]