254705280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2503}}^1$

素因数の和:2578

約数の個数: 128

約数和(自身を含む): 827521920

約数和(自身を除く): 572816640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 53, 60, 64, 80, 96, 106, 120, 128, 159, 160, 192, 212, 240, 265, 318, 320, 384, 424, 480, 530, 636, 640, 795, 848, 960, 1060, 1272, 1590, 1696, 1920, 2120, 2503, 2544, 3180, 3392, 4240, 5006, 5088, 6360, 6784, 7509, 8480, 10012, 10176, 12515, 12720, 15018, 16960, 20024, 20352, 25030, 25440, 30036, 33920, 37545, 40048, 50060, 50880, 60072, 75090, 80096, 100120, 101760, 120144, 132659, 150180, 160192, 200240, 240288, 265318, 300360, 320384, 397977, 400480, 480576, 530636, 600720, 663295, 795954, 800960, 961152, 1061272, 1201440, 1326590, 1591908, 1601920, 1989885, 2122544, 2402880, 2653180, 3183816, 3979770, 4245088, 4805760, 5306360, 6367632, 7959540, 8490176, 10612720, 12735264, 15919080, 16980352, 21225440, 25470528, 31838160, 42450880, 50941056, 63676320, 84901760, 127352640, 254705280]

約数ペア:

[(1, 254705280), (2, 127352640), (3, 84901760), (4, 63676320), (5, 50941056), (6, 42450880), (8, 31838160), (10, 25470528), (12, 21225440), (15, 16980352), (16, 15919080), (20, 12735264), (24, 10612720), (30, 8490176), (32, 7959540), (40, 6367632), (48, 5306360), (53, 4805760), (60, 4245088), (64, 3979770), (80, 3183816), (96, 2653180), (106, 2402880), (120, 2122544), (128, 1989885), (159, 1601920), (160, 1591908), (192, 1326590), (212, 1201440), (240, 1061272), (265, 961152), (318, 800960), (320, 795954), (384, 663295), (424, 600720), (480, 530636), (530, 480576), (636, 400480), (640, 397977), (795, 320384), (848, 300360), (960, 265318), (1060, 240288), (1272, 200240), (1590, 160192), (1696, 150180), (1920, 132659), (2120, 120144), (2503, 101760), (2544, 100120), (3180, 80096), (3392, 75090), (4240, 60072), (5006, 50880), (5088, 50060), (6360, 40048), (6784, 37545), (7509, 33920), (8480, 30036), (10012, 25440), (10176, 25030), (12515, 20352), (12720, 20024), (15018, 16960)]