217859040

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{21613}}^1$

素因数の和:21641

約数の個数: 144

約数和(自身を含む): 849689568

約数和(自身を除く): 631830528

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 21613, 43226, 64839, 86452, 108065, 129678, 151291, 172904, 194517, 216130, 259356, 302582, 324195, 345808, 389034, 432260, 453873, 518712, 605164, 648390, 691616, 756455, 778068, 864520, 907746, 972585, 1037424, 1210328, 1296780, 1361619, 1512910, 1556136, 1729040, 1815492, 1945170, 2074848, 2269365, 2420656, 2593560, 2723238, 3025820, 3112272, 3458080, 3630984, 3890340, 4538730, 4841312, 5187120, 5446476, 6051640, 6224544, 6808095, 7261968, 7780680, 9077460, 10374240, 10892952, 12103280, 13616190, 14523936, 15561360, 18154920, 21785904, 24206560, 27232380, 31122720, 36309840, 43571808, 54464760, 72619680, 108929520, 217859040]

約数ペア:

[(1, 217859040), (2, 108929520), (3, 72619680), (4, 54464760), (5, 43571808), (6, 36309840), (7, 31122720), (8, 27232380), (9, 24206560), (10, 21785904), (12, 18154920), (14, 15561360), (15, 14523936), (16, 13616190), (18, 12103280), (20, 10892952), (21, 10374240), (24, 9077460), (28, 7780680), (30, 7261968), (32, 6808095), (35, 6224544), (36, 6051640), (40, 5446476), (42, 5187120), (45, 4841312), (48, 4538730), (56, 3890340), (60, 3630984), (63, 3458080), (70, 3112272), (72, 3025820), (80, 2723238), (84, 2593560), (90, 2420656), (96, 2269365), (105, 2074848), (112, 1945170), (120, 1815492), (126, 1729040), (140, 1556136), (144, 1512910), (160, 1361619), (168, 1296780), (180, 1210328), (210, 1037424), (224, 972585), (240, 907746), (252, 864520), (280, 778068), (288, 756455), (315, 691616), (336, 648390), (360, 605164), (420, 518712), (480, 453873), (504, 432260), (560, 389034), (630, 345808), (672, 324195), (720, 302582), (840, 259356), (1008, 216130), (1120, 194517), (1260, 172904), (1440, 151291), (1680, 129678), (2016, 108065), (2520, 86452), (3360, 64839), (5040, 43226), (10080, 21613)]