30719220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73141}}^1$

素因数の和:73160

約数の個数: 48

約数和(自身を含む): 98302848

約数和(自身を除く): 67583628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73141, 146282, 219423, 292564, 365705, 438846, 511987, 731410, 877692, 1023974, 1097115, 1462820, 1535961, 2047948, 2194230, 2559935, 3071922, 4388460, 5119870, 6143844, 7679805, 10239740, 15359610, 30719220]

約数ペア:

[(1, 30719220), (2, 15359610), (3, 10239740), (4, 7679805), (5, 6143844), (6, 5119870), (7, 4388460), (10, 3071922), (12, 2559935), (14, 2194230), (15, 2047948), (20, 1535961), (21, 1462820), (28, 1097115), (30, 1023974), (35, 877692), (42, 731410), (60, 511987), (70, 438846), (84, 365705), (105, 292564), (140, 219423), (210, 146282), (420, 73141)]