2007889920

素因数分解:

$2^{11}\times 3^2\times 5^1\times {\mathrm{21787}}^1$

素因数の和:21820

約数の個数: 144

約数和(自身を含む): 6959305080

約数和(自身を除く): 4951415160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2048, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5760, 6144, 7680, 9216, 10240, 11520, 15360, 18432, 21787, 23040, 30720, 43574, 46080, 65361, 87148, 92160, 108935, 130722, 174296, 196083, 217870, 261444, 326805, 348592, 392166, 435740, 522888, 653610, 697184, 784332, 871480, 980415, 1045776, 1307220, 1394368, 1568664, 1742960, 1960830, 2091552, 2614440, 2788736, 3137328, 3485920, 3921660, 4183104, 5228880, 5577472, 6274656, 6971840, 7843320, 8366208, 10457760, 11154944, 12549312, 13943680, 15686640, 16732416, 20915520, 22309888, 25098624, 27887360, 31373280, 33464832, 41831040, 44619776, 50197248, 55774720, 62746560, 66929664, 83662080, 100394496, 111549440, 125493120, 133859328, 167324160, 200788992, 223098880, 250986240, 334648320, 401577984, 501972480, 669296640, 1003944960, 2007889920]

約数ペア:

[(1, 2007889920), (2, 1003944960), (3, 669296640), (4, 501972480), (5, 401577984), (6, 334648320), (8, 250986240), (9, 223098880), (10, 200788992), (12, 167324160), (15, 133859328), (16, 125493120), (18, 111549440), (20, 100394496), (24, 83662080), (30, 66929664), (32, 62746560), (36, 55774720), (40, 50197248), (45, 44619776), (48, 41831040), (60, 33464832), (64, 31373280), (72, 27887360), (80, 25098624), (90, 22309888), (96, 20915520), (120, 16732416), (128, 15686640), (144, 13943680), (160, 12549312), (180, 11154944), (192, 10457760), (240, 8366208), (256, 7843320), (288, 6971840), (320, 6274656), (360, 5577472), (384, 5228880), (480, 4183104), (512, 3921660), (576, 3485920), (640, 3137328), (720, 2788736), (768, 2614440), (960, 2091552), (1024, 1960830), (1152, 1742960), (1280, 1568664), (1440, 1394368), (1536, 1307220), (1920, 1045776), (2048, 980415), (2304, 871480), (2560, 784332), (2880, 697184), (3072, 653610), (3840, 522888), (4608, 435740), (5120, 392166), (5760, 348592), (6144, 326805), (7680, 261444), (9216, 217870), (10240, 196083), (11520, 174296), (15360, 130722), (18432, 108935), (21787, 92160), (23040, 87148), (30720, 65361), (43574, 46080)]