1274014720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22621}}^1$

素因数の和:22657

約数の個数: 88

約数和(自身を含む): 3334120848

約数和(自身を除く): 2060106128

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 512, 640, 704, 880, 1024, 1280, 1408, 1760, 2560, 2816, 3520, 5120, 5632, 7040, 11264, 14080, 22621, 28160, 45242, 56320, 90484, 113105, 180968, 226210, 248831, 361936, 452420, 497662, 723872, 904840, 995324, 1244155, 1447744, 1809680, 1990648, 2488310, 2895488, 3619360, 3981296, 4976620, 5790976, 7238720, 7962592, 9953240, 11581952, 14477440, 15925184, 19906480, 23163904, 28954880, 31850368, 39812960, 57909760, 63700736, 79625920, 115819520, 127401472, 159251840, 254802944, 318503680, 637007360, 1274014720]

約数ペア:

[(1, 1274014720), (2, 637007360), (4, 318503680), (5, 254802944), (8, 159251840), (10, 127401472), (11, 115819520), (16, 79625920), (20, 63700736), (22, 57909760), (32, 39812960), (40, 31850368), (44, 28954880), (55, 23163904), (64, 19906480), (80, 15925184), (88, 14477440), (110, 11581952), (128, 9953240), (160, 7962592), (176, 7238720), (220, 5790976), (256, 4976620), (320, 3981296), (352, 3619360), (440, 2895488), (512, 2488310), (640, 1990648), (704, 1809680), (880, 1447744), (1024, 1244155), (1280, 995324), (1408, 904840), (1760, 723872), (2560, 497662), (2816, 452420), (3520, 361936), (5120, 248831), (5632, 226210), (7040, 180968), (11264, 113105), (14080, 90484), (22621, 56320), (28160, 45242)]