30719440

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2543}}^1$

素因数の和:2707

約数の個数: 40

約数和(自身を含む): 71923968

約数和(自身を除く): 41204528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 2543, 3020, 5086, 6040, 10172, 12080, 12715, 20344, 25430, 40688, 50860, 101720, 203440, 383993, 767986, 1535972, 1919965, 3071944, 3839930, 6143888, 7679860, 15359720, 30719440]

約数ペア:

[(1, 30719440), (2, 15359720), (4, 7679860), (5, 6143888), (8, 3839930), (10, 3071944), (16, 1919965), (20, 1535972), (40, 767986), (80, 383993), (151, 203440), (302, 101720), (604, 50860), (755, 40688), (1208, 25430), (1510, 20344), (2416, 12715), (2543, 12080), (3020, 10172), (5086, 6040)]