81198720

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:192

約数の個数: 256

約数和(自身を含む): 297676800

約数和(自身を除く): 216478080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 37, 40, 45, 48, 54, 60, 64, 72, 74, 80, 90, 96, 108, 111, 120, 127, 128, 135, 144, 148, 160, 180, 185, 192, 216, 222, 240, 254, 270, 288, 296, 320, 333, 360, 370, 381, 384, 432, 444, 480, 508, 540, 555, 576, 592, 635, 640, 666, 720, 740, 762, 864, 888, 960, 999, 1016, 1080, 1110, 1143, 1152, 1184, 1270, 1332, 1440, 1480, 1524, 1665, 1728, 1776, 1905, 1920, 1998, 2032, 2160, 2220, 2286, 2368, 2540, 2664, 2880, 2960, 3048, 3330, 3429, 3456, 3552, 3810, 3996, 4064, 4320, 4440, 4572, 4699, 4736, 4995, 5080, 5328, 5715, 5760, 5920, 6096, 6660, 6858, 7104, 7620, 7992, 8128, 8640, 8880, 9144, 9398, 9990, 10160, 10656, 11430, 11840, 12192, 13320, 13716, 14097, 14208, 15240, 15984, 16256, 17145, 17280, 17760, 18288, 18796, 19980, 20320, 21312, 22860, 23495, 23680, 24384, 26640, 27432, 28194, 30480, 31968, 34290, 35520, 36576, 37592, 39960, 40640, 42291, 42624, 45720, 46990, 48768, 53280, 54864, 56388, 60960, 63936, 68580, 70485, 71040, 73152, 75184, 79920, 81280, 84582, 91440, 93980, 106560, 109728, 112776, 121920, 126873, 127872, 137160, 140970, 146304, 150368, 159840, 169164, 182880, 187960, 211455, 213120, 219456, 225552, 243840, 253746, 274320, 281940, 300736, 319680, 338328, 365760, 375920, 422910, 438912, 451104, 507492, 548640, 563880, 601472, 634365, 639360, 676656, 731520, 751840, 845820, 902208, 1014984, 1097280, 1127760, 1268730, 1353312, 1503680, 1691640, 1804416, 2029968, 2194560, 2255520, 2537460, 2706624, 3007360, 3383280, 4059936, 4511040, 5074920, 5413248, 6766560, 8119872, 9022080, 10149840, 13533120, 16239744, 20299680, 27066240, 40599360, 81198720]

約数ペア:

[(1, 81198720), (2, 40599360), (3, 27066240), (4, 20299680), (5, 16239744), (6, 13533120), (8, 10149840), (9, 9022080), (10, 8119872), (12, 6766560), (15, 5413248), (16, 5074920), (18, 4511040), (20, 4059936), (24, 3383280), (27, 3007360), (30, 2706624), (32, 2537460), (36, 2255520), (37, 2194560), (40, 2029968), (45, 1804416), (48, 1691640), (54, 1503680), (60, 1353312), (64, 1268730), (72, 1127760), (74, 1097280), (80, 1014984), (90, 902208), (96, 845820), (108, 751840), (111, 731520), (120, 676656), (127, 639360), (128, 634365), (135, 601472), (144, 563880), (148, 548640), (160, 507492), (180, 451104), (185, 438912), (192, 422910), (216, 375920), (222, 365760), (240, 338328), (254, 319680), (270, 300736), (288, 281940), (296, 274320), (320, 253746), (333, 243840), (360, 225552), (370, 219456), (381, 213120), (384, 211455), (432, 187960), (444, 182880), (480, 169164), (508, 159840), (540, 150368), (555, 146304), (576, 140970), (592, 137160), (635, 127872), (640, 126873), (666, 121920), (720, 112776), (740, 109728), (762, 106560), (864, 93980), (888, 91440), (960, 84582), (999, 81280), (1016, 79920), (1080, 75184), (1110, 73152), (1143, 71040), (1152, 70485), (1184, 68580), (1270, 63936), (1332, 60960), (1440, 56388), (1480, 54864), (1524, 53280), (1665, 48768), (1728, 46990), (1776, 45720), (1905, 42624), (1920, 42291), (1998, 40640), (2032, 39960), (2160, 37592), (2220, 36576), (2286, 35520), (2368, 34290), (2540, 31968), (2664, 30480), (2880, 28194), (2960, 27432), (3048, 26640), (3330, 24384), (3429, 23680), (3456, 23495), (3552, 22860), (3810, 21312), (3996, 20320), (4064, 19980), (4320, 18796), (4440, 18288), (4572, 17760), (4699, 17280), (4736, 17145), (4995, 16256), (5080, 15984), (5328, 15240), (5715, 14208), (5760, 14097), (5920, 13716), (6096, 13320), (6660, 12192), (6858, 11840), (7104, 11430), (7620, 10656), (7992, 10160), (8128, 9990), (8640, 9398), (8880, 9144)]