1988474880

素因数分解:

$2^{11}\times 3^1\times 5^1\times 7^2\times {\mathrm{1321}}^1$

素因数の和:1365

約数の個数: 288

約数和(自身を含む): 7405791120

約数和(自身を除く): 5417316240

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, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 256, 280, 294, 320, 336, 384, 392, 420, 448, 480, 490, 512, 560, 588, 640, 672, 735, 768, 784, 840, 896, 960, 980, 1024, 1120, 1176, 1280, 1321, 1344, 1470, 1536, 1568, 1680, 1792, 1920, 1960, 2048, 2240, 2352, 2560, 2642, 2688, 2940, 3072, 3136, 3360, 3584, 3840, 3920, 3963, 4480, 4704, 5120, 5284, 5376, 5880, 6144, 6272, 6605, 6720, 7168, 7680, 7840, 7926, 8960, 9247, 9408, 10240, 10568, 10752, 11760, 12544, 13210, 13440, 14336, 15360, 15680, 15852, 17920, 18494, 18816, 19815, 21136, 21504, 23520, 25088, 26420, 26880, 27741, 30720, 31360, 31704, 35840, 36988, 37632, 39630, 42272, 43008, 46235, 47040, 50176, 52840, 53760, 55482, 62720, 63408, 64729, 71680, 73976, 75264, 79260, 84544, 92470, 94080, 100352, 105680, 107520, 110964, 125440, 126816, 129458, 138705, 147952, 150528, 158520, 169088, 184940, 188160, 194187, 211360, 215040, 221928, 250880, 253632, 258916, 277410, 295904, 301056, 317040, 323645, 338176, 369880, 376320, 388374, 422720, 443856, 501760, 507264, 517832, 554820, 591808, 634080, 647290, 676352, 739760, 752640, 776748, 845440, 887712, 970935, 1014528, 1035664, 1109640, 1183616, 1268160, 1294580, 1352704, 1479520, 1505280, 1553496, 1690880, 1775424, 1941870, 2029056, 2071328, 2219280, 2367232, 2536320, 2589160, 2705408, 2959040, 3106992, 3381760, 3550848, 3883740, 4058112, 4142656, 4438560, 4734464, 5072640, 5178320, 5918080, 6213984, 6763520, 7101696, 7767480, 8116224, 8285312, 8877120, 9468928, 10145280, 10356640, 11836160, 12427968, 13527040, 14203392, 15534960, 16570624, 17754240, 18937856, 20290560, 20713280, 23672320, 24855936, 28406784, 31069920, 33141248, 35508480, 40581120, 41426560, 47344640, 49711872, 56813568, 62139840, 66282496, 71016960, 82853120, 94689280, 99423744, 124279680, 132564992, 142033920, 165706240, 198847488, 248559360, 284067840, 331412480, 397694976, 497118720, 662824960, 994237440, 1988474880]

約数ペア:

[(1, 1988474880), (2, 994237440), (3, 662824960), (4, 497118720), (5, 397694976), (6, 331412480), (7, 284067840), (8, 248559360), (10, 198847488), (12, 165706240), (14, 142033920), (15, 132564992), (16, 124279680), (20, 99423744), (21, 94689280), (24, 82853120), (28, 71016960), (30, 66282496), (32, 62139840), (35, 56813568), (40, 49711872), (42, 47344640), (48, 41426560), (49, 40581120), (56, 35508480), (60, 33141248), (64, 31069920), (70, 28406784), (80, 24855936), (84, 23672320), (96, 20713280), (98, 20290560), (105, 18937856), (112, 17754240), (120, 16570624), (128, 15534960), (140, 14203392), (147, 13527040), (160, 12427968), (168, 11836160), (192, 10356640), (196, 10145280), (210, 9468928), (224, 8877120), (240, 8285312), (245, 8116224), (256, 7767480), (280, 7101696), (294, 6763520), (320, 6213984), (336, 5918080), (384, 5178320), (392, 5072640), (420, 4734464), (448, 4438560), (480, 4142656), (490, 4058112), (512, 3883740), (560, 3550848), (588, 3381760), (640, 3106992), (672, 2959040), (735, 2705408), (768, 2589160), (784, 2536320), (840, 2367232), (896, 2219280), (960, 2071328), (980, 2029056), (1024, 1941870), (1120, 1775424), (1176, 1690880), (1280, 1553496), (1321, 1505280), (1344, 1479520), (1470, 1352704), (1536, 1294580), (1568, 1268160), (1680, 1183616), (1792, 1109640), (1920, 1035664), (1960, 1014528), (2048, 970935), (2240, 887712), (2352, 845440), (2560, 776748), (2642, 752640), (2688, 739760), (2940, 676352), (3072, 647290), (3136, 634080), (3360, 591808), (3584, 554820), (3840, 517832), (3920, 507264), (3963, 501760), (4480, 443856), (4704, 422720), (5120, 388374), (5284, 376320), (5376, 369880), (5880, 338176), (6144, 323645), (6272, 317040), (6605, 301056), (6720, 295904), (7168, 277410), (7680, 258916), (7840, 253632), (7926, 250880), (8960, 221928), (9247, 215040), (9408, 211360), (10240, 194187), (10568, 188160), (10752, 184940), (11760, 169088), (12544, 158520), (13210, 150528), (13440, 147952), (14336, 138705), (15360, 129458), (15680, 126816), (15852, 125440), (17920, 110964), (18494, 107520), (18816, 105680), (19815, 100352), (21136, 94080), (21504, 92470), (23520, 84544), (25088, 79260), (26420, 75264), (26880, 73976), (27741, 71680), (30720, 64729), (31360, 63408), (31704, 62720), (35840, 55482), (36988, 53760), (37632, 52840), (39630, 50176), (42272, 47040), (43008, 46235)]