20191520160

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:267

約数の個数: 1152

約数和(自身を含む): 90348410880

約数和(自身を除く): 70156890720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 27, 28, 30, 31, 32, 34, 35, 36, 40, 42, 45, 48, 49, 51, 54, 56, 60, 62, 63, 68, 70, 72, 80, 84, 85, 90, 93, 96, 98, 102, 105, 108, 112, 119, 120, 124, 126, 135, 136, 140, 144, 147, 153, 155, 160, 168, 170, 180, 181, 186, 189, 196, 204, 210, 216, 217, 224, 238, 240, 245, 248, 252, 255, 270, 272, 279, 280, 288, 294, 306, 310, 315, 336, 340, 357, 360, 362, 372, 378, 392, 408, 420, 432, 434, 441, 459, 465, 476, 480, 490, 496, 504, 510, 527, 540, 543, 544, 558, 560, 588, 595, 612, 620, 630, 651, 672, 680, 714, 720, 724, 735, 744, 756, 765, 784, 816, 833, 837, 840, 864, 868, 882, 905, 918, 930, 945, 952, 980, 992, 1008, 1020, 1054, 1071, 1080, 1085, 1086, 1116, 1120, 1176, 1190, 1224, 1240, 1260, 1267, 1302, 1323, 1360, 1395, 1428, 1440, 1448, 1470, 1488, 1512, 1519, 1530, 1568, 1581, 1629, 1632, 1666, 1674, 1680, 1736, 1764, 1785, 1810, 1836, 1860, 1890, 1904, 1953, 1960, 2016, 2040, 2108, 2142, 2160, 2170, 2172, 2205, 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約数ペア:

[(1, 20191520160), (2, 10095760080), (3, 6730506720), (4, 5047880040), (5, 4038304032), (6, 3365253360), (7, 2884502880), (8, 2523940020), (9, 2243502240), (10, 2019152016), (12, 1682626680), (14, 1442251440), (15, 1346101344), (16, 1261970010), (17, 1187736480), (18, 1121751120), (20, 1009576008), (21, 961500960), (24, 841313340), (27, 747834080), (28, 721125720), (30, 673050672), (31, 651339360), (32, 630985005), (34, 593868240), (35, 576900576), (36, 560875560), (40, 504788004), (42, 480750480), (45, 448700448), (48, 420656670), (49, 412071840), (51, 395912160), (54, 373917040), (56, 360562860), (60, 336525336), (62, 325669680), (63, 320500320), (68, 296934120), (70, 288450288), (72, 280437780), (80, 252394002), (84, 240375240), (85, 237547296), (90, 224350224), (93, 217113120), (96, 210328335), (98, 206035920), (102, 197956080), (105, 192300192), (108, 186958520), (112, 180281430), (119, 169676640), (120, 168262668), (124, 162834840), (126, 160250160), (135, 149566816), (136, 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