64648780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10739}}^1$

素因数の和:10798

約数の個数: 48

約数和(自身を含む): 158780160

約数和(自身を除く): 94131380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 70, 86, 140, 172, 215, 301, 430, 602, 860, 1204, 1505, 3010, 6020, 10739, 21478, 42956, 53695, 75173, 107390, 150346, 214780, 300692, 375865, 461777, 751730, 923554, 1503460, 1847108, 2308885, 3232439, 4617770, 6464878, 9235540, 12929756, 16162195, 32324390, 64648780]

約数ペア:

[(1, 64648780), (2, 32324390), (4, 16162195), (5, 12929756), (7, 9235540), (10, 6464878), (14, 4617770), (20, 3232439), (28, 2308885), (35, 1847108), (43, 1503460), (70, 923554), (86, 751730), (140, 461777), (172, 375865), (215, 300692), (301, 214780), (430, 150346), (602, 107390), (860, 75173), (1204, 53695), (1505, 42956), (3010, 21478), (6020, 10739)]