81816480

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:193

約数の個数: 240

約数和(自身を含む): 296382240

約数和(自身を除く): 214565760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 59, 60, 72, 80, 81, 90, 96, 107, 108, 118, 120, 135, 144, 160, 162, 177, 180, 214, 216, 236, 240, 270, 288, 295, 321, 324, 354, 360, 405, 428, 432, 472, 480, 531, 535, 540, 590, 642, 648, 708, 720, 810, 856, 864, 885, 944, 963, 1062, 1070, 1080, 1180, 1284, 1296, 1416, 1440, 1593, 1605, 1620, 1712, 1770, 1888, 1926, 2124, 2140, 2160, 2360, 2568, 2592, 2655, 2832, 2889, 3186, 3210, 3240, 3424, 3540, 3852, 4248, 4280, 4320, 4720, 4779, 4815, 5136, 5310, 5664, 5778, 6313, 6372, 6420, 6480, 7080, 7704, 7965, 8496, 8560, 8667, 9440, 9558, 9630, 10272, 10620, 11556, 12626, 12744, 12840, 12960, 14160, 14445, 15408, 15930, 16992, 17120, 17334, 18939, 19116, 19260, 21240, 23112, 23895, 25252, 25488, 25680, 28320, 28890, 30816, 31565, 31860, 34668, 37878, 38232, 38520, 42480, 43335, 46224, 47790, 50504, 50976, 51360, 56817, 57780, 63130, 63720, 69336, 75756, 76464, 77040, 84960, 86670, 92448, 94695, 95580, 101008, 113634, 115560, 126260, 127440, 138672, 151512, 152928, 154080, 170451, 173340, 189390, 191160, 202016, 227268, 231120, 252520, 254880, 277344, 284085, 303024, 340902, 346680, 378780, 382320, 454536, 462240, 505040, 511353, 568170, 606048, 681804, 693360, 757560, 764640, 852255, 909072, 1010080, 1022706, 1136340, 1363608, 1386720, 1515120, 1704510, 1818144, 2045412, 2272680, 2556765, 2727216, 3030240, 3409020, 4090824, 4545360, 5113530, 5454432, 6818040, 8181648, 9090720, 10227060, 13636080, 16363296, 20454120, 27272160, 40908240, 81816480]

約数ペア:

[(1, 81816480), (2, 40908240), (3, 27272160), (4, 20454120), (5, 16363296), (6, 13636080), (8, 10227060), (9, 9090720), (10, 8181648), (12, 6818040), (15, 5454432), (16, 5113530), (18, 4545360), (20, 4090824), (24, 3409020), (27, 3030240), (30, 2727216), (32, 2556765), (36, 2272680), (40, 2045412), (45, 1818144), (48, 1704510), (54, 1515120), (59, 1386720), (60, 1363608), (72, 1136340), (80, 1022706), (81, 1010080), (90, 909072), (96, 852255), (107, 764640), (108, 757560), (118, 693360), (120, 681804), (135, 606048), (144, 568170), (160, 511353), (162, 505040), (177, 462240), (180, 454536), (214, 382320), (216, 378780), (236, 346680), (240, 340902), (270, 303024), (288, 284085), (295, 277344), (321, 254880), (324, 252520), (354, 231120), (360, 227268), (405, 202016), (428, 191160), (432, 189390), (472, 173340), (480, 170451), (531, 154080), (535, 152928), (540, 151512), (590, 138672), (642, 127440), (648, 126260), (708, 115560), (720, 113634), (810, 101008), (856, 95580), (864, 94695), (885, 92448), (944, 86670), (963, 84960), (1062, 77040), (1070, 76464), (1080, 75756), (1180, 69336), (1284, 63720), (1296, 63130), (1416, 57780), (1440, 56817), (1593, 51360), (1605, 50976), (1620, 50504), (1712, 47790), (1770, 46224), (1888, 43335), (1926, 42480), (2124, 38520), (2140, 38232), (2160, 37878), (2360, 34668), (2568, 31860), (2592, 31565), (2655, 30816), (2832, 28890), (2889, 28320), (3186, 25680), (3210, 25488), (3240, 25252), (3424, 23895), (3540, 23112), (3852, 21240), (4248, 19260), (4280, 19116), (4320, 18939), (4720, 17334), (4779, 17120), (4815, 16992), (5136, 15930), (5310, 15408), (5664, 14445), (5778, 14160), (6313, 12960), (6372, 12840), (6420, 12744), (6480, 12626), (7080, 11556), (7704, 10620), (7965, 10272), (8496, 9630), (8560, 9558), (8667, 9440)]