262481440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2381}}^1$

素因数の和:2462

約数の個数: 96

約数和(自身を含む): 680699376

約数和(自身を除く): 418217936

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 53, 65, 80, 104, 106, 130, 160, 208, 212, 260, 265, 416, 424, 520, 530, 689, 848, 1040, 1060, 1378, 1696, 2080, 2120, 2381, 2756, 3445, 4240, 4762, 5512, 6890, 8480, 9524, 11024, 11905, 13780, 19048, 22048, 23810, 27560, 30953, 38096, 47620, 55120, 61906, 76192, 95240, 110240, 123812, 126193, 154765, 190480, 247624, 252386, 309530, 380960, 495248, 504772, 619060, 630965, 990496, 1009544, 1238120, 1261930, 1640509, 2019088, 2476240, 2523860, 3281018, 4038176, 4952480, 5047720, 6562036, 8202545, 10095440, 13124072, 16405090, 20190880, 26248144, 32810180, 52496288, 65620360, 131240720, 262481440]

約数ペア:

[(1, 262481440), (2, 131240720), (4, 65620360), (5, 52496288), (8, 32810180), (10, 26248144), (13, 20190880), (16, 16405090), (20, 13124072), (26, 10095440), (32, 8202545), (40, 6562036), (52, 5047720), (53, 4952480), (65, 4038176), (80, 3281018), (104, 2523860), (106, 2476240), (130, 2019088), (160, 1640509), (208, 1261930), (212, 1238120), (260, 1009544), (265, 990496), (416, 630965), (424, 619060), (520, 504772), (530, 495248), (689, 380960), (848, 309530), (1040, 252386), (1060, 247624), (1378, 190480), (1696, 154765), (2080, 126193), (2120, 123812), (2381, 110240), (2756, 95240), (3445, 76192), (4240, 61906), (4762, 55120), (5512, 47620), (6890, 38096), (8480, 30953), (9524, 27560), (11024, 23810), (11905, 22048), (13780, 19048)]