1555132020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1993759}}^1$

素因数の和:1993784

約数の個数: 48

約数和(自身を含む): 4689323520

約数和(自身を除く): 3134191500

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, 1993759, 3987518, 5981277, 7975036, 9968795, 11962554, 19937590, 23925108, 25918867, 29906385, 39875180, 51837734, 59812770, 77756601, 103675468, 119625540, 129594335, 155513202, 259188670, 311026404, 388783005, 518377340, 777566010, 1555132020]

約数ペア:

[(1, 1555132020), (2, 777566010), (3, 518377340), (4, 388783005), (5, 311026404), (6, 259188670), (10, 155513202), (12, 129594335), (13, 119625540), (15, 103675468), (20, 77756601), (26, 59812770), (30, 51837734), (39, 39875180), (52, 29906385), (60, 25918867), (65, 23925108), (78, 19937590), (130, 11962554), (156, 9968795), (195, 7975036), (260, 5981277), (390, 3987518), (780, 1993759)]