20342448000

素因数分解:

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

素因数の和:114

約数の個数: 1152

約数和(自身を含む): 90063511200

約数和(自身を除く): 69721063200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 31, 32, 35, 36, 40, 42, 45, 48, 49, 50, 54, 56, 60, 62, 63, 64, 70, 72, 75, 80, 84, 90, 93, 96, 98, 100, 105, 108, 112, 120, 124, 125, 126, 128, 135, 140, 144, 147, 150, 155, 160, 168, 175, 180, 186, 189, 192, 196, 200, 210, 216, 217, 224, 225, 240, 245, 248, 250, 252, 270, 279, 280, 288, 294, 300, 310, 315, 320, 336, 350, 360, 372, 375, 378, 384, 392, 400, 420, 432, 434, 441, 448, 450, 465, 480, 490, 496, 500, 504, 525, 540, 558, 560, 576, 588, 600, 620, 630, 640, 651, 672, 675, 700, 720, 735, 744, 750, 756, 775, 784, 800, 837, 840, 864, 868, 875, 882, 896, 900, 930, 945, 960, 961, 980, 992, 1000, 1008, 1050, 1080, 1085, 1116, 1120, 1125, 1152, 1176, 1200, 1225, 1240, 1260, 1302, 1323, 1344, 1350, 1395, 1400, 1440, 1470, 1488, 1500, 1512, 1519, 1550, 1568, 1575, 1600, 1674, 1680, 1728, 1736, 1750, 1764, 1800, 1860, 1890, 1920, 1922, 1953, 1960, 1984, 2000, 2016, 2100, 2160, 2170, 2205, 2232, 2240, 2250, 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約数ペア:

[(1, 20342448000), (2, 10171224000), (3, 6780816000), (4, 5085612000), (5, 4068489600), (6, 3390408000), (7, 2906064000), (8, 2542806000), (9, 2260272000), (10, 2034244800), (12, 1695204000), (14, 1453032000), (15, 1356163200), (16, 1271403000), (18, 1130136000), (20, 1017122400), (21, 968688000), (24, 847602000), (25, 813697920), (27, 753424000), (28, 726516000), (30, 678081600), (31, 656208000), (32, 635701500), (35, 581212800), (36, 565068000), (40, 508561200), (42, 484344000), (45, 452054400), (48, 423801000), (49, 415152000), (50, 406848960), (54, 376712000), (56, 363258000), (60, 339040800), (62, 328104000), (63, 322896000), (64, 317850750), (70, 290606400), (72, 282534000), (75, 271232640), (80, 254280600), (84, 242172000), (90, 226027200), (93, 218736000), (96, 211900500), (98, 207576000), (100, 203424480), (105, 193737600), (108, 188356000), (112, 181629000), (120, 169520400), (124, 164052000), (125, 162739584), (126, 161448000), (128, 158925375), (135, 150684800), (140, 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