138640440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67961}}^1$

素因数の和:67992

約数の個数: 64

約数和(自身を含む): 440393760

約数和(自身を除く): 301753320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 67961, 135922, 203883, 271844, 339805, 407766, 543688, 679610, 815532, 1019415, 1155337, 1359220, 1631064, 2038830, 2310674, 2718440, 3466011, 4077660, 4621348, 5776685, 6932022, 8155320, 9242696, 11553370, 13864044, 17330055, 23106740, 27728088, 34660110, 46213480, 69320220, 138640440]

約数ペア:

[(1, 138640440), (2, 69320220), (3, 46213480), (4, 34660110), (5, 27728088), (6, 23106740), (8, 17330055), (10, 13864044), (12, 11553370), (15, 9242696), (17, 8155320), (20, 6932022), (24, 5776685), (30, 4621348), (34, 4077660), (40, 3466011), (51, 2718440), (60, 2310674), (68, 2038830), (85, 1631064), (102, 1359220), (120, 1155337), (136, 1019415), (170, 815532), (204, 679610), (255, 543688), (340, 407766), (408, 339805), (510, 271844), (680, 203883), (1020, 135922), (2040, 67961)]