2666040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1709}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 8618400

約数和(自身を除く): 5952360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 1709, 3418, 5127, 6836, 8545, 10254, 13672, 17090, 20508, 22217, 25635, 34180, 41016, 44434, 51270, 66651, 68360, 88868, 102540, 111085, 133302, 177736, 205080, 222170, 266604, 333255, 444340, 533208, 666510, 888680, 1333020, 2666040]

約数ペア:

[(1, 2666040), (2, 1333020), (3, 888680), (4, 666510), (5, 533208), (6, 444340), (8, 333255), (10, 266604), (12, 222170), (13, 205080), (15, 177736), (20, 133302), (24, 111085), (26, 102540), (30, 88868), (39, 68360), (40, 66651), (52, 51270), (60, 44434), (65, 41016), (78, 34180), (104, 25635), (120, 22217), (130, 20508), (156, 17090), (195, 13672), (260, 10254), (312, 8545), (390, 6836), (520, 5127), (780, 3418), (1560, 1709)]