1271340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1009}}^1$

素因数の和:1031

約数の個数: 72

約数和(自身を含む): 4411680

約数和(自身を除く): 3140340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1009, 1260, 2018, 3027, 4036, 5045, 6054, 7063, 9081, 10090, 12108, 14126, 15135, 18162, 20180, 21189, 28252, 30270, 35315, 36324, 42378, 45405, 60540, 63567, 70630, 84756, 90810, 105945, 127134, 141260, 181620, 211890, 254268, 317835, 423780, 635670, 1271340]

約数ペア:

[(1, 1271340), (2, 635670), (3, 423780), (4, 317835), (5, 254268), (6, 211890), (7, 181620), (9, 141260), (10, 127134), (12, 105945), (14, 90810), (15, 84756), (18, 70630), (20, 63567), (21, 60540), (28, 45405), (30, 42378), (35, 36324), (36, 35315), (42, 30270), (45, 28252), (60, 21189), (63, 20180), (70, 18162), (84, 15135), (90, 14126), (105, 12108), (126, 10090), (140, 9081), (180, 7063), (210, 6054), (252, 5045), (315, 4036), (420, 3027), (630, 2018), (1009, 1260)]