68891280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287047}}^1$

素因数の和:287063

約数の個数: 40

約数和(自身を含む): 213563712

約数和(自身を除く): 144672432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287047, 574094, 861141, 1148188, 1435235, 1722282, 2296376, 2870470, 3444564, 4305705, 4592752, 5740940, 6889128, 8611410, 11481880, 13778256, 17222820, 22963760, 34445640, 68891280]

約数ペア:

[(1, 68891280), (2, 34445640), (3, 22963760), (4, 17222820), (5, 13778256), (6, 11481880), (8, 8611410), (10, 6889128), (12, 5740940), (15, 4592752), (16, 4305705), (20, 3444564), (24, 2870470), (30, 2296376), (40, 1722282), (48, 1435235), (60, 1148188), (80, 861141), (120, 574094), (240, 287047)]