19938515520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:200

約数の個数: 1008

約数和(自身を含む): 84293927424

約数和(自身を除く): 64355411904

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 32, 33, 35, 40, 42, 44, 48, 49, 55, 56, 60, 62, 64, 66, 70, 77, 80, 84, 88, 93, 96, 98, 105, 110, 112, 113, 120, 121, 124, 132, 140, 147, 154, 155, 160, 165, 168, 176, 186, 192, 196, 210, 217, 220, 224, 226, 231, 240, 242, 245, 248, 264, 280, 294, 308, 310, 320, 330, 336, 339, 341, 352, 363, 372, 385, 392, 420, 434, 440, 448, 452, 462, 465, 480, 484, 490, 496, 528, 539, 560, 565, 588, 605, 616, 620, 651, 660, 672, 678, 682, 704, 726, 735, 744, 770, 784, 791, 840, 847, 868, 880, 904, 924, 930, 960, 968, 980, 992, 1023, 1056, 1078, 1085, 1120, 1130, 1155, 1176, 1210, 1232, 1240, 1243, 1302, 1320, 1344, 1356, 1364, 1452, 1470, 1488, 1519, 1540, 1568, 1582, 1617, 1680, 1694, 1695, 1705, 1736, 1760, 1808, 1815, 1848, 1860, 1936, 1960, 1984, 2046, 2112, 2156, 2170, 2240, 2260, 2310, 2352, 2373, 2387, 2420, 2464, 2480, 2486, 2541, 2604, 2640, 2695, 2712, 2728, 2904, 2940, 2976, 3038, 3080, 3136, 3164, 3234, 3255, 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約数ペア:

[(1, 19938515520), (2, 9969257760), (3, 6646171840), (4, 4984628880), (5, 3987703104), (6, 3323085920), (7, 2848359360), (8, 2492314440), (10, 1993851552), (11, 1812592320), (12, 1661542960), (14, 1424179680), (15, 1329234368), (16, 1246157220), (20, 996925776), (21, 949453120), (22, 906296160), (24, 830771480), (28, 712089840), (30, 664617184), (31, 643177920), (32, 623078610), (33, 604197440), (35, 569671872), (40, 498462888), (42, 474726560), (44, 453148080), (48, 415385740), (49, 406908480), (55, 362518464), (56, 356044920), (60, 332308592), (62, 321588960), (64, 311539305), (66, 302098720), (70, 284835936), (77, 258941760), (80, 249231444), (84, 237363280), (88, 226574040), (93, 214392640), (96, 207692870), (98, 203454240), (105, 189890624), (110, 181259232), (112, 178022460), (113, 176447040), (120, 166154296), (121, 164781120), (124, 160794480), (132, 151049360), (140, 142417968), (147, 135636160), (154, 129470880), (155, 128635584), (160, 124615722), (165, 120839488), (168, 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