81233640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 201812760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 31, 36, 40, 45, 58, 60, 62, 72, 87, 90, 93, 116, 120, 124, 145, 155, 174, 180, 186, 232, 248, 251, 261, 279, 290, 310, 348, 360, 372, 435, 465, 502, 522, 558, 580, 620, 696, 744, 753, 870, 899, 930, 1004, 1044, 1116, 1160, 1240, 1255, 1305, 1395, 1506, 1740, 1798, 1860, 2008, 2088, 2232, 2259, 2510, 2610, 2697, 2790, 3012, 3480, 3596, 3720, 3765, 4495, 4518, 5020, 5220, 5394, 5580, 6024, 7192, 7279, 7530, 7781, 8091, 8990, 9036, 10040, 10440, 10788, 11160, 11295, 13485, 14558, 15060, 15562, 16182, 17980, 18072, 21576, 21837, 22590, 23343, 26970, 29116, 30120, 31124, 32364, 35960, 36395, 38905, 40455, 43674, 45180, 46686, 53940, 58232, 62248, 64728, 65511, 70029, 72790, 77810, 80910, 87348, 90360, 93372, 107880, 109185, 116715, 131022, 140058, 145580, 155620, 161820, 174696, 186744, 218370, 225649, 233430, 262044, 280116, 291160, 311240, 323640, 327555, 350145, 436740, 451298, 466860, 524088, 560232, 655110, 676947, 700290, 873480, 902596, 933720, 1128245, 1310220, 1353894, 1400580, 1805192, 2030841, 2256490, 2620440, 2707788, 2801160, 3384735, 4061682, 4512980, 5415576, 6769470, 8123364, 9025960, 10154205, 13538940, 16246728, 20308410, 27077880, 40616820, 81233640]

約数ペア:

[(1, 81233640), (2, 40616820), (3, 27077880), (4, 20308410), (5, 16246728), (6, 13538940), (8, 10154205), (9, 9025960), (10, 8123364), (12, 6769470), (15, 5415576), (18, 4512980), (20, 4061682), (24, 3384735), (29, 2801160), (30, 2707788), (31, 2620440), (36, 2256490), (40, 2030841), (45, 1805192), (58, 1400580), (60, 1353894), (62, 1310220), (72, 1128245), (87, 933720), (90, 902596), (93, 873480), (116, 700290), (120, 676947), (124, 655110), (145, 560232), (155, 524088), (174, 466860), (180, 451298), (186, 436740), (232, 350145), (248, 327555), (251, 323640), (261, 311240), (279, 291160), (290, 280116), (310, 262044), (348, 233430), (360, 225649), (372, 218370), (435, 186744), (465, 174696), (502, 161820), (522, 155620), (558, 145580), (580, 140058), (620, 131022), (696, 116715), (744, 109185), (753, 107880), (870, 93372), (899, 90360), (930, 87348), (1004, 80910), (1044, 77810), (1116, 72790), (1160, 70029), (1240, 65511), (1255, 64728), (1305, 62248), (1395, 58232), (1506, 53940), (1740, 46686), (1798, 45180), (1860, 43674), (2008, 40455), (2088, 38905), (2232, 36395), (2259, 35960), (2510, 32364), (2610, 31124), (2697, 30120), (2790, 29116), (3012, 26970), (3480, 23343), (3596, 22590), (3720, 21837), (3765, 21576), (4495, 18072), (4518, 17980), (5020, 16182), (5220, 15562), (5394, 15060), (5580, 14558), (6024, 13485), (7192, 11295), (7279, 11160), (7530, 10788), (7781, 10440), (8091, 10040), (8990, 9036)]