30234540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71987}}^1$

素因数の和:72006

約数の個数: 48

約数和(自身を含む): 96751872

約数和(自身を除く): 66517332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 71987, 143974, 215961, 287948, 359935, 431922, 503909, 719870, 863844, 1007818, 1079805, 1439740, 1511727, 2015636, 2159610, 2519545, 3023454, 4319220, 5039090, 6046908, 7558635, 10078180, 15117270, 30234540]

約数ペア:

[(1, 30234540), (2, 15117270), (3, 10078180), (4, 7558635), (5, 6046908), (6, 5039090), (7, 4319220), (10, 3023454), (12, 2519545), (14, 2159610), (15, 2015636), (20, 1511727), (21, 1439740), (28, 1079805), (30, 1007818), (35, 863844), (42, 719870), (60, 503909), (70, 431922), (84, 359935), (105, 287948), (140, 215961), (210, 143974), (420, 71987)]