19988777760

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{167}}^1\times {\mathrm{727}}^1$

素因数の和:933

約数の個数: 384

約数和(自身を含む): 73969459200

約数和(自身を除く): 53980681440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 167, 168, 196, 210, 224, 240, 245, 280, 294, 334, 336, 343, 392, 420, 480, 490, 501, 560, 588, 668, 672, 686, 727, 735, 784, 835, 840, 980, 1002, 1029, 1120, 1169, 1176, 1336, 1372, 1454, 1470, 1568, 1670, 1680, 1715, 1960, 2004, 2058, 2181, 2338, 2352, 2505, 2672, 2744, 2908, 2940, 3340, 3360, 3430, 3507, 3635, 3920, 4008, 4116, 4362, 4676, 4704, 5010, 5089, 5145, 5344, 5488, 5816, 5845, 5880, 6680, 6860, 7014, 7270, 7840, 8016, 8183, 8232, 8724, 9352, 10020, 10178, 10290, 10905, 10976, 11632, 11690, 11760, 13360, 13720, 14028, 14540, 15267, 16032, 16366, 16464, 17448, 17535, 18704, 20040, 20356, 20580, 21810, 23264, 23380, 23520, 24549, 25445, 26720, 27440, 28056, 29080, 30534, 32732, 32928, 34896, 35070, 35623, 37408, 40080, 40712, 40915, 41160, 43620, 46760, 49098, 50890, 54880, 56112, 57281, 58160, 61068, 65464, 69792, 70140, 71246, 76335, 80160, 81424, 81830, 82320, 87240, 93520, 98196, 101780, 106869, 112224, 114562, 116320, 121409, 122136, 122745, 130928, 140280, 142492, 152670, 162848, 163660, 164640, 171843, 174480, 178115, 187040, 196392, 203560, 213738, 229124, 242818, 244272, 245490, 249361, 261856, 280560, 284984, 286405, 305340, 327320, 343686, 348960, 356230, 364227, 392784, 407120, 427476, 458248, 485636, 488544, 490980, 498722, 534345, 561120, 569968, 572810, 607045, 610680, 654640, 687372, 712460, 728454, 748083, 785568, 814240, 849863, 854952, 859215, 916496, 971272, 981960, 997444, 1068690, 1139936, 1145620, 1214090, 1221360, 1246805, 1309280, 1374744, 1424920, 1456908, 1496166, 1699726, 1709904, 1718430, 1821135, 1832992, 1942544, 1963920, 1994888, 2137380, 2291240, 2428180, 2442720, 2493610, 2549589, 2749488, 2849840, 2913816, 2992332, 3399452, 3419808, 3436860, 3642270, 3740415, 3885088, 3927840, 3989776, 4249315, 4274760, 4582480, 4856360, 4987220, 5099178, 5498976, 5699680, 5827632, 5949041, 5984664, 6798904, 6873720, 7284540, 7480830, 7979552, 8498630, 8549520, 9164960, 9712720, 9974440, 10198356, 11655264, 11898082, 11969328, 12747945, 13597808, 13747440, 14569080, 14961660, 16997260, 17099040, 17847123, 19425440, 19948880, 20396712, 23796164, 23938656, 25495890, 27195616, 27494880, 29138160, 29745205, 29923320, 33994520, 35694246, 39897760, 40793424, 41643287, 47592328, 50991780, 58276320, 59490410, 59846640, 67989040, 71388492, 81586848, 83286574, 89235615, 95184656, 101983560, 118980820, 119693280, 124929861, 135978080, 142776984, 166573148, 178471230, 190369312, 203967120, 208216435, 237961640, 249859722, 285553968, 333146296, 356942460, 407934240, 416432870, 475923280, 499719444, 571107936, 624649305, 666292592, 713884920, 832865740, 951846560, 999438888, 1249298610, 1332585184, 1427769840, 1665731480, 1998877776, 2498597220, 2855539680, 3331462960, 3997755552, 4997194440, 6662925920, 9994388880, 19988777760]

約数ペア:

[(1, 19988777760), (2, 9994388880), (3, 6662925920), (4, 4997194440), (5, 3997755552), (6, 3331462960), (7, 2855539680), (8, 2498597220), (10, 1998877776), (12, 1665731480), (14, 1427769840), (15, 1332585184), (16, 1249298610), (20, 999438888), (21, 951846560), (24, 832865740), (28, 713884920), (30, 666292592), (32, 624649305), (35, 571107936), (40, 499719444), (42, 475923280), (48, 416432870), (49, 407934240), (56, 356942460), (60, 333146296), (70, 285553968), (80, 249859722), (84, 237961640), (96, 208216435), (98, 203967120), (105, 190369312), (112, 178471230), (120, 166573148), (140, 142776984), (147, 135978080), (160, 124929861), (167, 119693280), (168, 118980820), (196, 101983560), (210, 95184656), (224, 89235615), (240, 83286574), (245, 81586848), (280, 71388492), (294, 67989040), (334, 59846640), (336, 59490410), (343, 58276320), (392, 50991780), (420, 47592328), (480, 41643287), (490, 40793424), (501, 39897760), (560, 35694246), (588, 33994520), (668, 29923320), (672, 29745205), (686, 29138160), (727, 27494880), (735, 27195616), (784, 25495890), (835, 23938656), (840, 23796164), (980, 20396712), (1002, 19948880), (1029, 19425440), (1120, 17847123), (1169, 17099040), (1176, 16997260), (1336, 14961660), (1372, 14569080), (1454, 13747440), (1470, 13597808), (1568, 12747945), (1670, 11969328), (1680, 11898082), (1715, 11655264), (1960, 10198356), (2004, 9974440), (2058, 9712720), (2181, 9164960), (2338, 8549520), (2352, 8498630), (2505, 7979552), (2672, 7480830), (2744, 7284540), (2908, 6873720), (2940, 6798904), (3340, 5984664), (3360, 5949041), (3430, 5827632), (3507, 5699680), (3635, 5498976), (3920, 5099178), (4008, 4987220), (4116, 4856360), (4362, 4582480), (4676, 4274760), (4704, 4249315), (5010, 3989776), (5089, 3927840), (5145, 3885088), (5344, 3740415), (5488, 3642270), (5816, 3436860), (5845, 3419808), (5880, 3399452), (6680, 2992332), (6860, 2913816), (7014, 2849840), (7270, 2749488), (7840, 2549589), (8016, 2493610), (8183, 2442720), (8232, 2428180), (8724, 2291240), (9352, 2137380), (10020, 1994888), (10178, 1963920), (10290, 1942544), (10905, 1832992), (10976, 1821135), (11632, 1718430), (11690, 1709904), (11760, 1699726), (13360, 1496166), (13720, 1456908), (14028, 1424920), (14540, 1374744), (15267, 1309280), (16032, 1246805), (16366, 1221360), (16464, 1214090), (17448, 1145620), (17535, 1139936), (18704, 1068690), (20040, 997444), (20356, 981960), (20580, 971272), (21810, 916496), (23264, 859215), (23380, 854952), (23520, 849863), (24549, 814240), (25445, 785568), (26720, 748083), (27440, 728454), (28056, 712460), (29080, 687372), (30534, 654640), (32732, 610680), (32928, 607045), (34896, 572810), (35070, 569968), (35623, 561120), (37408, 534345), (40080, 498722), (40712, 490980), (40915, 488544), (41160, 485636), (43620, 458248), (46760, 427476), (49098, 407120), (50890, 392784), (54880, 364227), (56112, 356230), (57281, 348960), (58160, 343686), (61068, 327320), (65464, 305340), (69792, 286405), (70140, 284984), (71246, 280560), (76335, 261856), (80160, 249361), (81424, 245490), (81830, 244272), (82320, 242818), (87240, 229124), (93520, 213738), (98196, 203560), (101780, 196392), (106869, 187040), (112224, 178115), (114562, 174480), (116320, 171843), (121409, 164640), (122136, 163660), (122745, 162848), (130928, 152670), (140280, 142492)]