219896640

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 224

約数和(自身を含む): 801745920

約数和(自身を除く): 581849280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 64, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 192, 216, 240, 248, 270, 279, 288, 310, 320, 360, 372, 432, 465, 480, 496, 540, 558, 576, 620, 720, 744, 821, 837, 864, 930, 960, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1642, 1674, 1728, 1860, 1984, 2160, 2232, 2463, 2480, 2790, 2880, 2976, 3284, 3348, 3720, 4105, 4185, 4320, 4464, 4926, 4960, 5580, 5952, 6568, 6696, 7389, 7440, 8210, 8370, 8640, 8928, 9852, 9920, 11160, 12315, 13136, 13392, 14778, 14880, 16420, 16740, 17856, 19704, 22167, 22320, 24630, 25451, 26272, 26784, 29556, 29760, 32840, 33480, 36945, 39408, 44334, 44640, 49260, 50902, 52544, 53568, 59112, 65680, 66960, 73890, 76353, 78816, 88668, 89280, 98520, 101804, 110835, 118224, 127255, 131360, 133920, 147780, 152706, 157632, 177336, 197040, 203608, 221670, 229059, 236448, 254510, 262720, 267840, 295560, 305412, 354672, 381765, 394080, 407216, 443340, 458118, 472896, 509020, 591120, 610824, 687177, 709344, 763530, 788160, 814432, 886680, 916236, 1018040, 1145295, 1182240, 1221648, 1374354, 1418688, 1527060, 1628864, 1773360, 1832472, 2036080, 2290590, 2364480, 2443296, 2748708, 3054120, 3435885, 3546720, 3664944, 4072160, 4581180, 4886592, 5497416, 6108240, 6871770, 7093440, 7329888, 8144320, 9162360, 10994832, 12216480, 13743540, 14659776, 18324720, 21989664, 24432960, 27487080, 36649440, 43979328, 54974160, 73298880, 109948320, 219896640]

約数ペア:

[(1, 219896640), (2, 109948320), (3, 73298880), (4, 54974160), (5, 43979328), (6, 36649440), (8, 27487080), (9, 24432960), (10, 21989664), (12, 18324720), (15, 14659776), (16, 13743540), (18, 12216480), (20, 10994832), (24, 9162360), (27, 8144320), (30, 7329888), (31, 7093440), (32, 6871770), (36, 6108240), (40, 5497416), (45, 4886592), (48, 4581180), (54, 4072160), (60, 3664944), (62, 3546720), (64, 3435885), (72, 3054120), (80, 2748708), (90, 2443296), (93, 2364480), (96, 2290590), (108, 2036080), (120, 1832472), (124, 1773360), (135, 1628864), (144, 1527060), (155, 1418688), (160, 1374354), (180, 1221648), (186, 1182240), (192, 1145295), (216, 1018040), (240, 916236), (248, 886680), (270, 814432), (279, 788160), (288, 763530), (310, 709344), (320, 687177), (360, 610824), (372, 591120), (432, 509020), (465, 472896), (480, 458118), (496, 443340), (540, 407216), (558, 394080), (576, 381765), (620, 354672), (720, 305412), (744, 295560), (821, 267840), (837, 262720), (864, 254510), (930, 236448), (960, 229059), (992, 221670), (1080, 203608), (1116, 197040), (1240, 177336), (1395, 157632), (1440, 152706), (1488, 147780), (1642, 133920), (1674, 131360), (1728, 127255), (1860, 118224), (1984, 110835), (2160, 101804), (2232, 98520), (2463, 89280), (2480, 88668), (2790, 78816), (2880, 76353), (2976, 73890), (3284, 66960), (3348, 65680), (3720, 59112), (4105, 53568), (4185, 52544), (4320, 50902), (4464, 49260), (4926, 44640), (4960, 44334), (5580, 39408), (5952, 36945), (6568, 33480), (6696, 32840), (7389, 29760), (7440, 29556), (8210, 26784), (8370, 26272), (8640, 25451), (8928, 24630), (9852, 22320), (9920, 22167), (11160, 19704), (12315, 17856), (13136, 16740), (13392, 16420), (14778, 14880)]