1997379993600

素因数分解:

$2^{21}\times 3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1$

素因数の和:161

約数の個数: 1056

約数和(自身を含む): 7863814808640

約数和(自身を除く): 5866434815040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 25, 27, 30, 32, 34, 36, 40, 45, 48, 50, 51, 54, 60, 64, 68, 72, 75, 80, 83, 85, 90, 96, 100, 102, 108, 120, 128, 135, 136, 144, 150, 153, 160, 166, 170, 180, 192, 200, 204, 216, 225, 240, 249, 255, 256, 270, 272, 288, 300, 306, 320, 332, 340, 360, 384, 400, 408, 415, 425, 432, 450, 459, 480, 498, 510, 512, 540, 544, 576, 600, 612, 640, 664, 675, 680, 720, 747, 765, 768, 800, 816, 830, 850, 864, 900, 918, 960, 996, 1020, 1024, 1080, 1088, 1152, 1200, 1224, 1245, 1275, 1280, 1328, 1350, 1360, 1411, 1440, 1494, 1530, 1536, 1600, 1632, 1660, 1700, 1728, 1800, 1836, 1920, 1992, 2040, 2048, 2075, 2160, 2176, 2241, 2295, 2304, 2400, 2448, 2490, 2550, 2560, 2656, 2700, 2720, 2822, 2880, 2988, 3060, 3072, 3200, 3264, 3320, 3400, 3456, 3600, 3672, 3735, 3825, 3840, 3984, 4080, 4096, 4150, 4233, 4320, 4352, 4482, 4590, 4608, 4800, 4896, 4980, 5100, 5120, 5312, 5400, 5440, 5644, 5760, 5976, 6120, 6144, 6225, 6400, 6528, 6640, 6800, 6912, 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約数ペア:

[(1, 1997379993600), (2, 998689996800), (3, 665793331200), (4, 499344998400), (5, 399475998720), (6, 332896665600), (8, 249672499200), (9, 221931110400), (10, 199737999360), (12, 166448332800), (15, 133158666240), (16, 124836249600), (17, 117492940800), (18, 110965555200), (20, 99868999680), (24, 83224166400), (25, 79895199744), (27, 73977036800), (30, 66579333120), (32, 62418124800), (34, 58746470400), (36, 55482777600), (40, 49934499840), (45, 44386222080), (48, 41612083200), (50, 39947599872), (51, 39164313600), (54, 36988518400), (60, 33289666560), (64, 31209062400), (68, 29373235200), (72, 27741388800), (75, 26631733248), (80, 24967249920), (83, 24064819200), (85, 23498588160), (90, 22193111040), (96, 20806041600), (100, 19973799936), (102, 19582156800), (108, 18494259200), (120, 16644833280), (128, 15604531200), (135, 14795407360), (136, 14686617600), (144, 13870694400), (150, 13315866624), (153, 13054771200), (160, 12483624960), (166, 12032409600), (170, 11749294080), (180, 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