81011940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{3761}}^1$

素因数の和:4132

約数の個数: 48

約数和(自身を含む): 227525760

約数和(自身を除く): 146513820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 359, 718, 1077, 1436, 1795, 2154, 3590, 3761, 4308, 5385, 7180, 7522, 10770, 11283, 15044, 18805, 21540, 22566, 37610, 45132, 56415, 75220, 112830, 225660, 1350199, 2700398, 4050597, 5400796, 6750995, 8101194, 13501990, 16202388, 20252985, 27003980, 40505970, 81011940]

約数ペア:

[(1, 81011940), (2, 40505970), (3, 27003980), (4, 20252985), (5, 16202388), (6, 13501990), (10, 8101194), (12, 6750995), (15, 5400796), (20, 4050597), (30, 2700398), (60, 1350199), (359, 225660), (718, 112830), (1077, 75220), (1436, 56415), (1795, 45132), (2154, 37610), (3590, 22566), (3761, 21540), (4308, 18805), (5385, 15044), (7180, 11283), (7522, 10770)]