68155880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2550

約数の個数: 64

約数和(自身を含む): 168330960

約数和(自身を除く): 100175080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 53, 65, 104, 106, 130, 212, 260, 265, 424, 520, 530, 689, 1060, 1378, 2120, 2473, 2756, 3445, 4946, 5512, 6890, 9892, 12365, 13780, 19784, 24730, 27560, 32149, 49460, 64298, 98920, 128596, 131069, 160745, 257192, 262138, 321490, 524276, 642980, 655345, 1048552, 1285960, 1310690, 1703897, 2621380, 3407794, 5242760, 6815588, 8519485, 13631176, 17038970, 34077940, 68155880]

約数ペア:

[(1, 68155880), (2, 34077940), (4, 17038970), (5, 13631176), (8, 8519485), (10, 6815588), (13, 5242760), (20, 3407794), (26, 2621380), (40, 1703897), (52, 1310690), (53, 1285960), (65, 1048552), (104, 655345), (106, 642980), (130, 524276), (212, 321490), (260, 262138), (265, 257192), (424, 160745), (520, 131069), (530, 128596), (689, 98920), (1060, 64298), (1378, 49460), (2120, 32149), (2473, 27560), (2756, 24730), (3445, 19784), (4946, 13780), (5512, 12365), (6890, 9892)]