131509040

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 338201568

約数和(自身を除く): 206692528

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 71, 80, 104, 130, 137, 142, 169, 208, 260, 274, 284, 338, 355, 520, 548, 568, 676, 685, 710, 845, 923, 1040, 1096, 1136, 1352, 1370, 1420, 1690, 1781, 1846, 2192, 2704, 2740, 2840, 3380, 3562, 3692, 4615, 5480, 5680, 6760, 7124, 7384, 8905, 9230, 9727, 10960, 11999, 13520, 14248, 14768, 17810, 18460, 19454, 23153, 23998, 28496, 35620, 36920, 38908, 46306, 47996, 48635, 59995, 71240, 73840, 77816, 92612, 95992, 97270, 115765, 119990, 126451, 142480, 155632, 185224, 191984, 194540, 231530, 239980, 252902, 370448, 389080, 463060, 479960, 505804, 632255, 778160, 926120, 959920, 1011608, 1264510, 1643863, 1852240, 2023216, 2529020, 3287726, 5058040, 6575452, 8219315, 10116080, 13150904, 16438630, 26301808, 32877260, 65754520, 131509040]

約数ペア:

[(1, 131509040), (2, 65754520), (4, 32877260), (5, 26301808), (8, 16438630), (10, 13150904), (13, 10116080), (16, 8219315), (20, 6575452), (26, 5058040), (40, 3287726), (52, 2529020), (65, 2023216), (71, 1852240), (80, 1643863), (104, 1264510), (130, 1011608), (137, 959920), (142, 926120), (169, 778160), (208, 632255), (260, 505804), (274, 479960), (284, 463060), (338, 389080), (355, 370448), (520, 252902), (548, 239980), (568, 231530), (676, 194540), (685, 191984), (710, 185224), (845, 155632), (923, 142480), (1040, 126451), (1096, 119990), (1136, 115765), (1352, 97270), (1370, 95992), (1420, 92612), (1690, 77816), (1781, 73840), (1846, 71240), (2192, 59995), (2704, 48635), (2740, 47996), (2840, 46306), (3380, 38908), (3562, 36920), (3692, 35620), (4615, 28496), (5480, 23998), (5680, 23153), (6760, 19454), (7124, 18460), (7384, 17810), (8905, 14768), (9230, 14248), (9727, 13520), (10960, 11999)]