73685440

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{563}}^1$

素因数の和:989

約数の個数: 56

約数和(自身を含む): 176204880

約数和(自身を除く): 102519440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 563, 818, 1126, 1636, 2045, 2252, 2815, 3272, 4090, 4504, 5630, 6544, 8180, 9008, 11260, 13088, 16360, 18016, 22520, 26176, 32720, 36032, 45040, 65440, 90080, 130880, 180160, 230267, 460534, 921068, 1151335, 1842136, 2302670, 3684272, 4605340, 7368544, 9210680, 14737088, 18421360, 36842720, 73685440]

約数ペア:

[(1, 73685440), (2, 36842720), (4, 18421360), (5, 14737088), (8, 9210680), (10, 7368544), (16, 4605340), (20, 3684272), (32, 2302670), (40, 1842136), (64, 1151335), (80, 921068), (160, 460534), (320, 230267), (409, 180160), (563, 130880), (818, 90080), (1126, 65440), (1636, 45040), (2045, 36032), (2252, 32720), (2815, 26176), (3272, 22520), (4090, 18016), (4504, 16360), (5630, 13088), (6544, 11260), (8180, 9008)]