738660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{947}}^1$

素因数の和:972

約数の個数: 48

約数和(自身を含む): 2229696

約数和(自身を除く): 1491036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 947, 1894, 2841, 3788, 4735, 5682, 9470, 11364, 12311, 14205, 18940, 24622, 28410, 36933, 49244, 56820, 61555, 73866, 123110, 147732, 184665, 246220, 369330, 738660]

約数ペア:

[(1, 738660), (2, 369330), (3, 246220), (4, 184665), (5, 147732), (6, 123110), (10, 73866), (12, 61555), (13, 56820), (15, 49244), (20, 36933), (26, 28410), (30, 24622), (39, 18940), (52, 14205), (60, 12311), (65, 11364), (78, 9470), (130, 5682), (156, 4735), (195, 3788), (260, 2841), (390, 1894), (780, 947)]