64142940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7691}}^1$

素因数の和:7842

約数の個数: 48

約数和(自身を含む): 180915840

約数和(自身を除く): 116772900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 139, 278, 417, 556, 695, 834, 1390, 1668, 2085, 2780, 4170, 7691, 8340, 15382, 23073, 30764, 38455, 46146, 76910, 92292, 115365, 153820, 230730, 461460, 1069049, 2138098, 3207147, 4276196, 5345245, 6414294, 10690490, 12828588, 16035735, 21380980, 32071470, 64142940]

約数ペア:

[(1, 64142940), (2, 32071470), (3, 21380980), (4, 16035735), (5, 12828588), (6, 10690490), (10, 6414294), (12, 5345245), (15, 4276196), (20, 3207147), (30, 2138098), (60, 1069049), (139, 461460), (278, 230730), (417, 153820), (556, 115365), (695, 92292), (834, 76910), (1390, 46146), (1668, 38455), (2085, 30764), (2780, 23073), (4170, 15382), (7691, 8340)]