261362880

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{601}}^1$

素因数の和:775

約数の個数: 168

約数和(自身を含む): 906438624

約数和(自身を除く): 645075744

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 144, 151, 160, 180, 192, 240, 288, 302, 320, 360, 453, 480, 576, 601, 604, 720, 755, 906, 960, 1202, 1208, 1359, 1440, 1510, 1803, 1812, 2265, 2404, 2416, 2718, 2880, 3005, 3020, 3606, 3624, 4530, 4808, 4832, 5409, 5436, 6010, 6040, 6795, 7212, 7248, 9015, 9060, 9616, 9664, 10818, 10872, 12020, 12080, 13590, 14424, 14496, 18030, 18120, 19232, 21636, 21744, 24040, 24160, 27045, 27180, 28848, 28992, 36060, 36240, 38464, 43272, 43488, 48080, 48320, 54090, 54360, 57696, 72120, 72480, 86544, 86976, 90751, 96160, 108180, 108720, 115392, 144240, 144960, 173088, 181502, 192320, 216360, 217440, 272253, 288480, 346176, 363004, 432720, 434880, 453755, 544506, 576960, 726008, 816759, 865440, 907510, 1089012, 1361265, 1452016, 1633518, 1730880, 1815020, 2178024, 2722530, 2904032, 3267036, 3630040, 4083795, 4356048, 5445060, 5808064, 6534072, 7260080, 8167590, 8712096, 10890120, 13068144, 14520160, 16335180, 17424192, 21780240, 26136288, 29040320, 32670360, 43560480, 52272576, 65340720, 87120960, 130681440, 261362880]

約数ペア:

[(1, 261362880), (2, 130681440), (3, 87120960), (4, 65340720), (5, 52272576), (6, 43560480), (8, 32670360), (9, 29040320), (10, 26136288), (12, 21780240), (15, 17424192), (16, 16335180), (18, 14520160), (20, 13068144), (24, 10890120), (30, 8712096), (32, 8167590), (36, 7260080), (40, 6534072), (45, 5808064), (48, 5445060), (60, 4356048), (64, 4083795), (72, 3630040), (80, 3267036), (90, 2904032), (96, 2722530), (120, 2178024), (144, 1815020), (151, 1730880), (160, 1633518), (180, 1452016), (192, 1361265), (240, 1089012), (288, 907510), (302, 865440), (320, 816759), (360, 726008), (453, 576960), (480, 544506), (576, 453755), (601, 434880), (604, 432720), (720, 363004), (755, 346176), (906, 288480), (960, 272253), (1202, 217440), (1208, 216360), (1359, 192320), (1440, 181502), (1510, 173088), (1803, 144960), (1812, 144240), (2265, 115392), (2404, 108720), (2416, 108180), (2718, 96160), (2880, 90751), (3005, 86976), (3020, 86544), (3606, 72480), (3624, 72120), (4530, 57696), (4808, 54360), (4832, 54090), (5409, 48320), (5436, 48080), (6010, 43488), (6040, 43272), (6795, 38464), (7212, 36240), (7248, 36060), (9015, 28992), (9060, 28848), (9616, 27180), (9664, 27045), (10818, 24160), (10872, 24040), (12020, 21744), (12080, 21636), (13590, 19232), (14424, 18120), (14496, 18030)]