764941380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1821289}}^1$

素因数の和:1821308

約数の個数: 48

約数和(自身を含む): 2447813760

約数和(自身を除く): 1682872380

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1821289, 3642578, 5463867, 7285156, 9106445, 10927734, 12749023, 18212890, 21855468, 25498046, 27319335, 36425780, 38247069, 50996092, 54638670, 63745115, 76494138, 109277340, 127490230, 152988276, 191235345, 254980460, 382470690, 764941380]

約数ペア:

[(1, 764941380), (2, 382470690), (3, 254980460), (4, 191235345), (5, 152988276), (6, 127490230), (7, 109277340), (10, 76494138), (12, 63745115), (14, 54638670), (15, 50996092), (20, 38247069), (21, 36425780), (28, 27319335), (30, 25498046), (35, 21855468), (42, 18212890), (60, 12749023), (70, 10927734), (84, 9106445), (105, 7285156), (140, 5463867), (210, 3642578), (420, 1821289)]