28734480

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:326

約数の個数: 160

約数和(自身を含む): 101243520

約数和(自身を除く): 72509040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 53, 54, 60, 72, 80, 90, 106, 108, 120, 135, 144, 159, 180, 212, 216, 240, 251, 265, 270, 318, 360, 424, 432, 477, 502, 530, 540, 636, 720, 753, 795, 848, 954, 1004, 1060, 1080, 1255, 1272, 1431, 1506, 1590, 1908, 2008, 2120, 2160, 2259, 2385, 2510, 2544, 2862, 3012, 3180, 3765, 3816, 4016, 4240, 4518, 4770, 5020, 5724, 6024, 6360, 6777, 7155, 7530, 7632, 9036, 9540, 10040, 11295, 11448, 12048, 12720, 13303, 13554, 14310, 15060, 18072, 19080, 20080, 22590, 22896, 26606, 27108, 28620, 30120, 33885, 36144, 38160, 39909, 45180, 53212, 54216, 57240, 60240, 66515, 67770, 79818, 90360, 106424, 108432, 114480, 119727, 133030, 135540, 159636, 180720, 199545, 212848, 239454, 266060, 271080, 319272, 359181, 399090, 478908, 532120, 542160, 598635, 638544, 718362, 798180, 957816, 1064240, 1197270, 1436724, 1596360, 1795905, 1915632, 2394540, 2873448, 3192720, 3591810, 4789080, 5746896, 7183620, 9578160, 14367240, 28734480]

約数ペア:

[(1, 28734480), (2, 14367240), (3, 9578160), (4, 7183620), (5, 5746896), (6, 4789080), (8, 3591810), (9, 3192720), (10, 2873448), (12, 2394540), (15, 1915632), (16, 1795905), (18, 1596360), (20, 1436724), (24, 1197270), (27, 1064240), (30, 957816), (36, 798180), (40, 718362), (45, 638544), (48, 598635), (53, 542160), (54, 532120), (60, 478908), (72, 399090), (80, 359181), (90, 319272), (106, 271080), (108, 266060), (120, 239454), (135, 212848), (144, 199545), (159, 180720), (180, 159636), (212, 135540), (216, 133030), (240, 119727), (251, 114480), (265, 108432), (270, 106424), (318, 90360), (360, 79818), (424, 67770), (432, 66515), (477, 60240), (502, 57240), (530, 54216), (540, 53212), (636, 45180), (720, 39909), (753, 38160), (795, 36144), (848, 33885), (954, 30120), (1004, 28620), (1060, 27108), (1080, 26606), (1255, 22896), (1272, 22590), (1431, 20080), (1506, 19080), (1590, 18072), (1908, 15060), (2008, 14310), (2120, 13554), (2160, 13303), (2259, 12720), (2385, 12048), (2510, 11448), (2544, 11295), (2862, 10040), (3012, 9540), (3180, 9036), (3765, 7632), (3816, 7530), (4016, 7155), (4240, 6777), (4518, 6360), (4770, 6024), (5020, 5724)]