2018172800

素因数分解:

$2^7\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 288

約数和(自身を含む): 5922489240

約数和(自身を除く): 3904316440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 61, 64, 70, 80, 98, 100, 112, 122, 128, 140, 160, 175, 196, 200, 211, 224, 244, 245, 280, 305, 320, 350, 392, 400, 422, 427, 448, 488, 490, 560, 610, 640, 700, 784, 800, 844, 854, 896, 976, 980, 1055, 1120, 1220, 1225, 1400, 1477, 1525, 1568, 1600, 1688, 1708, 1952, 1960, 2110, 2135, 2240, 2440, 2450, 2800, 2954, 2989, 3050, 3136, 3200, 3376, 3416, 3904, 3920, 4220, 4270, 4480, 4880, 4900, 5275, 5600, 5908, 5978, 6100, 6272, 6752, 6832, 7385, 7808, 7840, 8440, 8540, 9760, 9800, 10339, 10550, 10675, 11200, 11816, 11956, 12200, 12871, 13504, 13664, 14770, 14945, 15680, 16880, 17080, 19520, 19600, 20678, 21100, 21350, 22400, 23632, 23912, 24400, 25742, 27008, 27328, 29540, 29890, 31360, 33760, 34160, 36925, 39040, 39200, 41356, 42200, 42700, 47264, 47824, 48800, 51484, 51695, 54656, 59080, 59780, 64355, 67520, 68320, 73850, 74725, 78400, 82712, 84400, 85400, 90097, 94528, 95648, 97600, 102968, 103390, 118160, 119560, 128710, 135040, 136640, 147700, 149450, 156800, 165424, 168800, 170800, 180194, 189056, 191296, 195200, 205936, 206780, 236320, 239120, 257420, 258475, 273280, 295400, 298900, 321775, 330848, 337600, 341600, 360388, 382592, 411872, 413560, 450485, 472640, 478240, 514840, 516950, 590800, 597800, 630679, 643550, 661696, 675200, 683200, 720776, 823744, 827120, 900970, 945280, 956480, 1029680, 1033900, 1181600, 1195600, 1261358, 1287100, 1323392, 1366400, 1441552, 1647488, 1654240, 1801940, 1912960, 2059360, 2067800, 2252425, 2363200, 2391200, 2522716, 2574200, 2883104, 3153395, 3308480, 3603880, 4118720, 4135600, 4504850, 4726400, 4782400, 5045432, 5148400, 5766208, 6306790, 6616960, 7207760, 8237440, 8271200, 9009700, 9564800, 10090864, 10296800, 11532416, 12613580, 14415520, 15766975, 16542400, 18019400, 20181728, 20593600, 25227160, 28831040, 31533950, 33084800, 36038800, 40363456, 41187200, 50454320, 57662080, 63067900, 72077600, 80726912, 100908640, 126135800, 144155200, 201817280, 252271600, 288310400, 403634560, 504543200, 1009086400, 2018172800]

約数ペア:

[(1, 2018172800), (2, 1009086400), (4, 504543200), (5, 403634560), (7, 288310400), (8, 252271600), (10, 201817280), (14, 144155200), (16, 126135800), (20, 100908640), (25, 80726912), (28, 72077600), (32, 63067900), (35, 57662080), (40, 50454320), (49, 41187200), (50, 40363456), (56, 36038800), (61, 33084800), (64, 31533950), (70, 28831040), (80, 25227160), (98, 20593600), (100, 20181728), (112, 18019400), (122, 16542400), (128, 15766975), (140, 14415520), (160, 12613580), (175, 11532416), (196, 10296800), (200, 10090864), (211, 9564800), (224, 9009700), (244, 8271200), (245, 8237440), (280, 7207760), (305, 6616960), (320, 6306790), (350, 5766208), (392, 5148400), (400, 5045432), (422, 4782400), (427, 4726400), (448, 4504850), (488, 4135600), (490, 4118720), (560, 3603880), (610, 3308480), (640, 3153395), (700, 2883104), (784, 2574200), (800, 2522716), (844, 2391200), (854, 2363200), (896, 2252425), (976, 2067800), (980, 2059360), (1055, 1912960), (1120, 1801940), (1220, 1654240), (1225, 1647488), (1400, 1441552), (1477, 1366400), (1525, 1323392), (1568, 1287100), (1600, 1261358), (1688, 1195600), (1708, 1181600), (1952, 1033900), (1960, 1029680), (2110, 956480), (2135, 945280), (2240, 900970), (2440, 827120), (2450, 823744), (2800, 720776), (2954, 683200), (2989, 675200), (3050, 661696), (3136, 643550), (3200, 630679), (3376, 597800), (3416, 590800), (3904, 516950), (3920, 514840), (4220, 478240), (4270, 472640), (4480, 450485), (4880, 413560), (4900, 411872), (5275, 382592), (5600, 360388), (5908, 341600), (5978, 337600), (6100, 330848), (6272, 321775), (6752, 298900), (6832, 295400), (7385, 273280), (7808, 258475), (7840, 257420), (8440, 239120), (8540, 236320), (9760, 206780), (9800, 205936), (10339, 195200), (10550, 191296), (10675, 189056), (11200, 180194), (11816, 170800), (11956, 168800), (12200, 165424), (12871, 156800), (13504, 149450), (13664, 147700), (14770, 136640), (14945, 135040), (15680, 128710), (16880, 119560), (17080, 118160), (19520, 103390), (19600, 102968), (20678, 97600), (21100, 95648), (21350, 94528), (22400, 90097), (23632, 85400), (23912, 84400), (24400, 82712), (25742, 78400), (27008, 74725), (27328, 73850), (29540, 68320), (29890, 67520), (31360, 64355), (33760, 59780), (34160, 59080), (36925, 54656), (39040, 51695), (39200, 51484), (41356, 48800), (42200, 47824), (42700, 47264)]