27783560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 72558720

約数和(自身を除く): 44775160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1481, 1876, 2345, 2680, 2962, 3752, 4690, 5924, 7405, 9380, 10367, 11848, 14810, 18760, 20734, 29620, 41468, 51835, 59240, 82936, 99227, 103670, 198454, 207340, 396908, 414680, 496135, 694589, 793816, 992270, 1389178, 1984540, 2778356, 3472945, 3969080, 5556712, 6945890, 13891780, 27783560]

約数ペア:

[(1, 27783560), (2, 13891780), (4, 6945890), (5, 5556712), (7, 3969080), (8, 3472945), (10, 2778356), (14, 1984540), (20, 1389178), (28, 992270), (35, 793816), (40, 694589), (56, 496135), (67, 414680), (70, 396908), (134, 207340), (140, 198454), (268, 103670), (280, 99227), (335, 82936), (469, 59240), (536, 51835), (670, 41468), (938, 29620), (1340, 20734), (1481, 18760), (1876, 14810), (2345, 11848), (2680, 10367), (2962, 9380), (3752, 7405), (4690, 5924)]