217740960

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 240

約数和(自身を含む): 785412936

約数和(自身を除く): 567671976

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, 53, 54, 60, 72, 80, 81, 90, 96, 106, 108, 120, 135, 144, 159, 160, 162, 180, 212, 216, 240, 265, 270, 288, 317, 318, 324, 360, 405, 424, 432, 477, 480, 530, 540, 634, 636, 648, 720, 795, 810, 848, 864, 951, 954, 1060, 1080, 1268, 1272, 1296, 1431, 1440, 1585, 1590, 1620, 1696, 1902, 1908, 2120, 2160, 2385, 2536, 2544, 2592, 2853, 2862, 3170, 3180, 3240, 3804, 3816, 4240, 4293, 4320, 4755, 4770, 5072, 5088, 5706, 5724, 6340, 6360, 6480, 7155, 7608, 7632, 8480, 8559, 8586, 9510, 9540, 10144, 11412, 11448, 12680, 12720, 12960, 14265, 14310, 15216, 15264, 16801, 17118, 17172, 19020, 19080, 21465, 22824, 22896, 25360, 25440, 25677, 28530, 28620, 30432, 33602, 34236, 34344, 38040, 38160, 42795, 42930, 45648, 45792, 50403, 50720, 51354, 57060, 57240, 67204, 68472, 68688, 76080, 76320, 84005, 85590, 85860, 91296, 100806, 102708, 114120, 114480, 128385, 134408, 136944, 137376, 151209, 152160, 168010, 171180, 171720, 201612, 205416, 228240, 228960, 252015, 256770, 268816, 273888, 302418, 336020, 342360, 343440, 403224, 410832, 453627, 456480, 504030, 513540, 537632, 604836, 672040, 684720, 686880, 756045, 806448, 821664, 907254, 1008060, 1027080, 1209672, 1344080, 1360881, 1369440, 1512090, 1612896, 1814508, 2016120, 2054160, 2268135, 2419344, 2688160, 2721762, 3024180, 3629016, 4032240, 4108320, 4536270, 4838688, 5443524, 6048360, 6804405, 7258032, 8064480, 9072540, 10887048, 12096720, 13608810, 14516064, 18145080, 21774096, 24193440, 27217620, 36290160, 43548192, 54435240, 72580320, 108870480, 217740960]

約数ペア:

[(1, 217740960), (2, 108870480), (3, 72580320), (4, 54435240), (5, 43548192), (6, 36290160), (8, 27217620), (9, 24193440), (10, 21774096), (12, 18145080), (15, 14516064), (16, 13608810), (18, 12096720), (20, 10887048), (24, 9072540), (27, 8064480), (30, 7258032), (32, 6804405), (36, 6048360), (40, 5443524), (45, 4838688), (48, 4536270), (53, 4108320), (54, 4032240), (60, 3629016), (72, 3024180), (80, 2721762), (81, 2688160), (90, 2419344), (96, 2268135), (106, 2054160), (108, 2016120), (120, 1814508), (135, 1612896), (144, 1512090), (159, 1369440), (160, 1360881), (162, 1344080), (180, 1209672), (212, 1027080), (216, 1008060), (240, 907254), (265, 821664), (270, 806448), (288, 756045), (317, 686880), (318, 684720), (324, 672040), (360, 604836), (405, 537632), (424, 513540), (432, 504030), (477, 456480), (480, 453627), (530, 410832), (540, 403224), (634, 343440), (636, 342360), (648, 336020), (720, 302418), (795, 273888), (810, 268816), (848, 256770), (864, 252015), (951, 228960), (954, 228240), (1060, 205416), (1080, 201612), (1268, 171720), (1272, 171180), (1296, 168010), (1431, 152160), (1440, 151209), (1585, 137376), (1590, 136944), (1620, 134408), (1696, 128385), (1902, 114480), (1908, 114120), (2120, 102708), (2160, 100806), (2385, 91296), (2536, 85860), (2544, 85590), (2592, 84005), (2853, 76320), (2862, 76080), (3170, 68688), (3180, 68472), (3240, 67204), (3804, 57240), (3816, 57060), (4240, 51354), (4293, 50720), (4320, 50403), (4755, 45792), (4770, 45648), (5072, 42930), (5088, 42795), (5706, 38160), (5724, 38040), (6340, 34344), (6360, 34236), (6480, 33602), (7155, 30432), (7608, 28620), (7632, 28530), (8480, 25677), (8559, 25440), (8586, 25360), (9510, 22896), (9540, 22824), (10144, 21465), (11412, 19080), (11448, 19020), (12680, 17172), (12720, 17118), (12960, 16801), (14265, 15264), (14310, 15216)]