261076320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{181303}}^1$

素因数の和:181324

約数の個数: 72

約数和(自身を含む): 890927856

約数和(自身を除く): 629851536

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, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 181303, 362606, 543909, 725212, 906515, 1087818, 1450424, 1631727, 1813030, 2175636, 2719545, 2900848, 3263454, 3626060, 4351272, 5439090, 5801696, 6526908, 7252120, 8158635, 8702544, 10878180, 13053816, 14504240, 16317270, 17405088, 21756360, 26107632, 29008480, 32634540, 43512720, 52215264, 65269080, 87025440, 130538160, 261076320]

約数ペア:

[(1, 261076320), (2, 130538160), (3, 87025440), (4, 65269080), (5, 52215264), (6, 43512720), (8, 32634540), (9, 29008480), (10, 26107632), (12, 21756360), (15, 17405088), (16, 16317270), (18, 14504240), (20, 13053816), (24, 10878180), (30, 8702544), (32, 8158635), (36, 7252120), (40, 6526908), (45, 5801696), (48, 5439090), (60, 4351272), (72, 3626060), (80, 3263454), (90, 2900848), (96, 2719545), (120, 2175636), (144, 1813030), (160, 1631727), (180, 1450424), (240, 1087818), (288, 906515), (360, 725212), (480, 543909), (720, 362606), (1440, 181303)]