138928440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{165391}}^1$

素因数の和:165412

約数の個数: 64

約数和(自身を含む): 476328960

約数和(自身を除く): 337400520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 165391, 330782, 496173, 661564, 826955, 992346, 1157737, 1323128, 1653910, 1984692, 2315474, 2480865, 3307820, 3473211, 3969384, 4630948, 4961730, 5788685, 6615640, 6946422, 9261896, 9923460, 11577370, 13892844, 17366055, 19846920, 23154740, 27785688, 34732110, 46309480, 69464220, 138928440]

約数ペア:

[(1, 138928440), (2, 69464220), (3, 46309480), (4, 34732110), (5, 27785688), (6, 23154740), (7, 19846920), (8, 17366055), (10, 13892844), (12, 11577370), (14, 9923460), (15, 9261896), (20, 6946422), (21, 6615640), (24, 5788685), (28, 4961730), (30, 4630948), (35, 3969384), (40, 3473211), (42, 3307820), (56, 2480865), (60, 2315474), (70, 1984692), (84, 1653910), (105, 1323128), (120, 1157737), (140, 992346), (168, 826955), (210, 661564), (280, 496173), (420, 330782), (840, 165391)]