1990320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{8293}}^1$

素因数の和:8309

約数の個数: 40

約数和(自身を含む): 6170736

約数和(自身を除く): 4180416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 8293, 16586, 24879, 33172, 41465, 49758, 66344, 82930, 99516, 124395, 132688, 165860, 199032, 248790, 331720, 398064, 497580, 663440, 995160, 1990320]

約数ペア:

[(1, 1990320), (2, 995160), (3, 663440), (4, 497580), (5, 398064), (6, 331720), (8, 248790), (10, 199032), (12, 165860), (15, 132688), (16, 124395), (20, 99516), (24, 82930), (30, 66344), (40, 49758), (48, 41465), (60, 33172), (80, 24879), (120, 16586), (240, 8293)]