68942120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{673}}^1$

素因数の和:894

約数の個数: 64

約数和(自身を含む): 168149520

約数和(自身を除く): 99207400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 197, 260, 394, 520, 673, 788, 985, 1346, 1576, 1970, 2561, 2692, 3365, 3940, 5122, 5384, 6730, 7880, 8749, 10244, 12805, 13460, 17498, 20488, 25610, 26920, 34996, 43745, 51220, 69992, 87490, 102440, 132581, 174980, 265162, 349960, 530324, 662905, 1060648, 1325810, 1723553, 2651620, 3447106, 5303240, 6894212, 8617765, 13788424, 17235530, 34471060, 68942120]

約数ペア:

[(1, 68942120), (2, 34471060), (4, 17235530), (5, 13788424), (8, 8617765), (10, 6894212), (13, 5303240), (20, 3447106), (26, 2651620), (40, 1723553), (52, 1325810), (65, 1060648), (104, 662905), (130, 530324), (197, 349960), (260, 265162), (394, 174980), (520, 132581), (673, 102440), (788, 87490), (985, 69992), (1346, 51220), (1576, 43745), (1970, 34996), (2561, 26920), (2692, 25610), (3365, 20488), (3940, 17498), (5122, 13460), (5384, 12805), (6730, 10244), (7880, 8749)]