261754080

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:422

約数の個数: 288

約数和(自身を含む): 992839680

約数和(自身を除く): 731085600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 31, 32, 35, 40, 42, 48, 49, 56, 60, 62, 70, 80, 84, 93, 96, 98, 105, 112, 120, 124, 140, 147, 155, 160, 168, 186, 196, 210, 217, 224, 240, 245, 248, 280, 294, 310, 336, 359, 372, 392, 420, 434, 465, 480, 490, 496, 560, 588, 620, 651, 672, 718, 735, 744, 784, 840, 868, 930, 980, 992, 1077, 1085, 1120, 1176, 1240, 1302, 1436, 1470, 1488, 1519, 1568, 1680, 1736, 1795, 1860, 1960, 2154, 2170, 2352, 2480, 2513, 2604, 2872, 2940, 2976, 3038, 3255, 3360, 3472, 3590, 3720, 3920, 4308, 4340, 4557, 4704, 4960, 5026, 5208, 5385, 5744, 5880, 6076, 6510, 6944, 7180, 7440, 7539, 7595, 7840, 8616, 8680, 9114, 10052, 10416, 10770, 11129, 11488, 11760, 12152, 12565, 13020, 14360, 14880, 15078, 15190, 17232, 17360, 17591, 18228, 20104, 20832, 21540, 22258, 22785, 23520, 24304, 25130, 26040, 28720, 30156, 30380, 33387, 34464, 34720, 35182, 36456, 37695, 40208, 43080, 44516, 45570, 48608, 50260, 52080, 52773, 55645, 57440, 60312, 60760, 66774, 70364, 72912, 75390, 77903, 80416, 86160, 87955, 89032, 91140, 100520, 104160, 105546, 111290, 120624, 121520, 133548, 140728, 145824, 150780, 155806, 166935, 172320, 175910, 178064, 182280, 201040, 211092, 222580, 233709, 241248, 243040, 263865, 267096, 281456, 301560, 311612, 333870, 351820, 356128, 364560, 389515, 402080, 422184, 445160, 467418, 527730, 534192, 545321, 562912, 603120, 623224, 667740, 703640, 729120, 779030, 844368, 890320, 934836, 1055460, 1068384, 1090642, 1168545, 1206240, 1246448, 1335480, 1407280, 1558060, 1635963, 1688736, 1780640, 1869672, 2110920, 2181284, 2337090, 2492896, 2670960, 2726605, 2814560, 3116120, 3271926, 3739344, 4221840, 4362568, 4674180, 5341920, 5453210, 6232240, 6543852, 7478688, 8179815, 8443680, 8725136, 9348360, 10906420, 12464480, 13087704, 16359630, 17450272, 18696720, 21812840, 26175408, 32719260, 37393440, 43625680, 52350816, 65438520, 87251360, 130877040, 261754080]

約数ペア:

[(1, 261754080), (2, 130877040), (3, 87251360), (4, 65438520), (5, 52350816), (6, 43625680), (7, 37393440), (8, 32719260), (10, 26175408), (12, 21812840), (14, 18696720), (15, 17450272), (16, 16359630), (20, 13087704), (21, 12464480), (24, 10906420), (28, 9348360), (30, 8725136), (31, 8443680), (32, 8179815), (35, 7478688), (40, 6543852), (42, 6232240), (48, 5453210), (49, 5341920), (56, 4674180), (60, 4362568), (62, 4221840), (70, 3739344), (80, 3271926), (84, 3116120), (93, 2814560), (96, 2726605), (98, 2670960), (105, 2492896), (112, 2337090), (120, 2181284), (124, 2110920), (140, 1869672), (147, 1780640), (155, 1688736), (160, 1635963), (168, 1558060), (186, 1407280), (196, 1335480), (210, 1246448), (217, 1206240), (224, 1168545), (240, 1090642), (245, 1068384), (248, 1055460), (280, 934836), (294, 890320), (310, 844368), (336, 779030), (359, 729120), (372, 703640), (392, 667740), (420, 623224), (434, 603120), (465, 562912), (480, 545321), (490, 534192), (496, 527730), (560, 467418), (588, 445160), (620, 422184), (651, 402080), (672, 389515), (718, 364560), (735, 356128), (744, 351820), (784, 333870), (840, 311612), (868, 301560), (930, 281456), (980, 267096), (992, 263865), (1077, 243040), (1085, 241248), (1120, 233709), (1176, 222580), (1240, 211092), (1302, 201040), (1436, 182280), (1470, 178064), (1488, 175910), (1519, 172320), (1568, 166935), (1680, 155806), (1736, 150780), (1795, 145824), (1860, 140728), (1960, 133548), (2154, 121520), (2170, 120624), (2352, 111290), (2480, 105546), (2513, 104160), (2604, 100520), (2872, 91140), (2940, 89032), (2976, 87955), (3038, 86160), (3255, 80416), (3360, 77903), (3472, 75390), (3590, 72912), (3720, 70364), (3920, 66774), (4308, 60760), (4340, 60312), (4557, 57440), (4704, 55645), (4960, 52773), (5026, 52080), (5208, 50260), (5385, 48608), (5744, 45570), (5880, 44516), (6076, 43080), (6510, 40208), (6944, 37695), (7180, 36456), (7440, 35182), (7539, 34720), (7595, 34464), (7840, 33387), (8616, 30380), (8680, 30156), (9114, 28720), (10052, 26040), (10416, 25130), (10770, 24304), (11129, 23520), (11488, 22785), (11760, 22258), (12152, 21540), (12565, 20832), (13020, 20104), (14360, 18228), (14880, 17591), (15078, 17360), (15190, 17232)]