123119720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 291589200

約数和(自身を除く): 168469480

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 41, 74, 82, 148, 164, 185, 205, 296, 328, 370, 410, 740, 820, 1480, 1517, 1640, 2029, 3034, 4058, 6068, 7585, 8116, 10145, 12136, 15170, 16232, 20290, 30340, 40580, 60680, 75073, 81160, 83189, 150146, 166378, 300292, 332756, 375365, 415945, 600584, 665512, 750730, 831890, 1501460, 1663780, 3002920, 3077993, 3327560, 6155986, 12311972, 15389965, 24623944, 30779930, 61559860, 123119720]

約数ペア:

[(1, 123119720), (2, 61559860), (4, 30779930), (5, 24623944), (8, 15389965), (10, 12311972), (20, 6155986), (37, 3327560), (40, 3077993), (41, 3002920), (74, 1663780), (82, 1501460), (148, 831890), (164, 750730), (185, 665512), (205, 600584), (296, 415945), (328, 375365), (370, 332756), (410, 300292), (740, 166378), (820, 150146), (1480, 83189), (1517, 81160), (1640, 75073), (2029, 60680), (3034, 40580), (4058, 30340), (6068, 20290), (7585, 16232), (8116, 15170), (10145, 12136)]