20440254240

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{65413}}^1$

素因数の和:65472

約数の個数: 288

約数和(自身を含む): 82289765376

約数和(自身を除く): 61849511136

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 96, 105, 112, 120, 124, 126, 140, 144, 155, 160, 168, 180, 186, 210, 217, 224, 240, 248, 252, 279, 280, 288, 310, 315, 336, 360, 372, 420, 434, 465, 480, 496, 504, 558, 560, 620, 630, 651, 672, 720, 744, 840, 868, 930, 992, 1008, 1085, 1116, 1120, 1240, 1260, 1302, 1395, 1440, 1488, 1680, 1736, 1860, 1953, 2016, 2170, 2232, 2480, 2520, 2604, 2790, 2976, 3255, 3360, 3472, 3720, 3906, 4340, 4464, 4960, 5040, 5208, 5580, 6510, 6944, 7440, 7812, 8680, 8928, 9765, 10080, 10416, 11160, 13020, 14880, 15624, 17360, 19530, 20832, 22320, 26040, 31248, 34720, 39060, 44640, 52080, 62496, 65413, 78120, 104160, 130826, 156240, 196239, 261652, 312480, 327065, 392478, 457891, 523304, 588717, 654130, 784956, 915782, 981195, 1046608, 1177434, 1308260, 1373673, 1569912, 1831564, 1962390, 2027803, 2093216, 2289455, 2354868, 2616520, 2747346, 2943585, 3139824, 3663128, 3924780, 4055606, 4121019, 4578910, 4709736, 5233040, 5494692, 5887170, 6083409, 6279648, 6868365, 7326256, 7849560, 8111212, 8242038, 9157820, 9419472, 10139015, 10466080, 10989384, 11774340, 12166818, 13736730, 14194621, 14652512, 15699120, 16222424, 16484076, 18250227, 18315640, 18838944, 20278030, 20605095, 21978768, 23548680, 24333636, 27473460, 28389242, 30417045, 31398240, 32444848, 32968152, 36500454, 36631280, 40556060, 41210190, 42583863, 43957536, 47097360, 48667272, 54946920, 56778484, 60834090, 64889696, 65936304, 70973105, 73000908, 73262560, 81112120, 82420380, 85167726, 91251135, 94194720, 97334544, 109893840, 113556968, 121668180, 127751589, 131872608, 141946210, 146001816, 162224240, 164840760, 170335452, 182502270, 194669088, 212919315, 219787680, 227113936, 243336360, 255503178, 283892420, 292003632, 324448480, 329681520, 340670904, 365004540, 425838630, 454227872, 486672720, 511006356, 567784840, 584007264, 638757945, 659363040, 681341808, 730009080, 851677260, 973345440, 1022012712, 1135569680, 1277515890, 1362683616, 1460018160, 1703354520, 2044025424, 2271139360, 2555031780, 2920036320, 3406709040, 4088050848, 5110063560, 6813418080, 10220127120, 20440254240]

約数ペア:

[(1, 20440254240), (2, 10220127120), (3, 6813418080), (4, 5110063560), (5, 4088050848), (6, 3406709040), (7, 2920036320), (8, 2555031780), (9, 2271139360), (10, 2044025424), (12, 1703354520), (14, 1460018160), (15, 1362683616), (16, 1277515890), (18, 1135569680), (20, 1022012712), (21, 973345440), (24, 851677260), (28, 730009080), (30, 681341808), (31, 659363040), (32, 638757945), (35, 584007264), (36, 567784840), (40, 511006356), (42, 486672720), (45, 454227872), (48, 425838630), (56, 365004540), (60, 340670904), (62, 329681520), (63, 324448480), (70, 292003632), (72, 283892420), (80, 255503178), (84, 243336360), (90, 227113936), (93, 219787680), (96, 212919315), (105, 194669088), (112, 182502270), (120, 170335452), (124, 164840760), (126, 162224240), (140, 146001816), (144, 141946210), (155, 131872608), (160, 127751589), (168, 121668180), (180, 113556968), (186, 109893840), (210, 97334544), (217, 94194720), (224, 91251135), (240, 85167726), (248, 82420380), (252, 81112120), (279, 73262560), (280, 73000908), (288, 70973105), (310, 65936304), (315, 64889696), (336, 60834090), (360, 56778484), (372, 54946920), (420, 48667272), (434, 47097360), (465, 43957536), (480, 42583863), (496, 41210190), (504, 40556060), (558, 36631280), (560, 36500454), (620, 32968152), (630, 32444848), (651, 31398240), (672, 30417045), (720, 28389242), (744, 27473460), (840, 24333636), (868, 23548680), (930, 21978768), (992, 20605095), (1008, 20278030), (1085, 18838944), (1116, 18315640), (1120, 18250227), (1240, 16484076), (1260, 16222424), (1302, 15699120), (1395, 14652512), (1440, 14194621), (1488, 13736730), (1680, 12166818), (1736, 11774340), (1860, 10989384), (1953, 10466080), (2016, 10139015), (2170, 9419472), (2232, 9157820), (2480, 8242038), (2520, 8111212), (2604, 7849560), (2790, 7326256), (2976, 6868365), (3255, 6279648), (3360, 6083409), (3472, 5887170), (3720, 5494692), (3906, 5233040), (4340, 4709736), (4464, 4578910), (4960, 4121019), (5040, 4055606), (5208, 3924780), (5580, 3663128), (6510, 3139824), (6944, 2943585), (7440, 2747346), (7812, 2616520), (8680, 2354868), (8928, 2289455), (9765, 2093216), (10080, 2027803), (10416, 1962390), (11160, 1831564), (13020, 1569912), (14880, 1373673), (15624, 1308260), (17360, 1177434), (19530, 1046608), (20832, 981195), (22320, 915782), (26040, 784956), (31248, 654130), (34720, 588717), (39060, 523304), (44640, 457891), (52080, 392478), (62496, 327065), (65413, 312480), (78120, 261652), (104160, 196239), (130826, 156240)]