217520640

素因数分解:

$2^9\times 3^4\times 5^1\times {\mathrm{1049}}^1$

素因数の和:1084

約数の個数: 200

約数和(自身を含む): 779832900

約数和(自身を除く): 562312260

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, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 810, 864, 960, 1049, 1080, 1152, 1280, 1296, 1440, 1536, 1620, 1728, 1920, 2098, 2160, 2304, 2560, 2592, 2880, 3147, 3240, 3456, 3840, 4196, 4320, 4608, 5184, 5245, 5760, 6294, 6480, 6912, 7680, 8392, 8640, 9441, 10368, 10490, 11520, 12588, 12960, 13824, 15735, 16784, 17280, 18882, 20736, 20980, 23040, 25176, 25920, 28323, 31470, 33568, 34560, 37764, 41472, 41960, 47205, 50352, 51840, 56646, 62940, 67136, 69120, 75528, 83920, 84969, 94410, 100704, 103680, 113292, 125880, 134272, 141615, 151056, 167840, 169938, 188820, 201408, 207360, 226584, 251760, 268544, 283230, 302112, 335680, 339876, 377640, 402816, 424845, 453168, 503520, 537088, 566460, 604224, 671360, 679752, 755280, 805632, 849690, 906336, 1007040, 1132920, 1208448, 1342720, 1359504, 1510560, 1611264, 1699380, 1812672, 2014080, 2265840, 2416896, 2685440, 2719008, 3021120, 3398760, 3625344, 4028160, 4531680, 4833792, 5438016, 6042240, 6797520, 7250688, 8056320, 9063360, 10876032, 12084480, 13595040, 14501376, 18126720, 21752064, 24168960, 27190080, 36253440, 43504128, 54380160, 72506880, 108760320, 217520640]

約数ペア:

[(1, 217520640), (2, 108760320), (3, 72506880), (4, 54380160), (5, 43504128), (6, 36253440), (8, 27190080), (9, 24168960), (10, 21752064), (12, 18126720), (15, 14501376), (16, 13595040), (18, 12084480), (20, 10876032), (24, 9063360), (27, 8056320), (30, 7250688), (32, 6797520), (36, 6042240), (40, 5438016), (45, 4833792), (48, 4531680), (54, 4028160), (60, 3625344), (64, 3398760), (72, 3021120), (80, 2719008), (81, 2685440), (90, 2416896), (96, 2265840), (108, 2014080), (120, 1812672), (128, 1699380), (135, 1611264), (144, 1510560), (160, 1359504), (162, 1342720), (180, 1208448), (192, 1132920), (216, 1007040), (240, 906336), (256, 849690), (270, 805632), (288, 755280), (320, 679752), (324, 671360), (360, 604224), (384, 566460), (405, 537088), (432, 503520), (480, 453168), (512, 424845), (540, 402816), (576, 377640), (640, 339876), (648, 335680), (720, 302112), (768, 283230), (810, 268544), (864, 251760), (960, 226584), (1049, 207360), (1080, 201408), (1152, 188820), (1280, 169938), (1296, 167840), (1440, 151056), (1536, 141615), (1620, 134272), (1728, 125880), (1920, 113292), (2098, 103680), (2160, 100704), (2304, 94410), (2560, 84969), (2592, 83920), (2880, 75528), (3147, 69120), (3240, 67136), (3456, 62940), (3840, 56646), (4196, 51840), (4320, 50352), (4608, 47205), (5184, 41960), (5245, 41472), (5760, 37764), (6294, 34560), (6480, 33568), (6912, 31470), (7680, 28323), (8392, 25920), (8640, 25176), (9441, 23040), (10368, 20980), (10490, 20736), (11520, 18882), (12588, 17280), (12960, 16784), (13824, 15735)]