137686640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18913}}^1$

素因数の和:18946

約数の個数: 80

約数和(自身を含む): 394016448

約数和(自身を除く): 256329808

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 18913, 37826, 75652, 94565, 132391, 151304, 189130, 245869, 264782, 302608, 378260, 491738, 529564, 661955, 756520, 983476, 1059128, 1229345, 1323910, 1513040, 1721083, 1966952, 2118256, 2458690, 2647820, 3442166, 3933904, 4917380, 5295640, 6884332, 8605415, 9834760, 10591280, 13768664, 17210830, 19669520, 27537328, 34421660, 68843320, 137686640]

約数ペア:

[(1, 137686640), (2, 68843320), (4, 34421660), (5, 27537328), (7, 19669520), (8, 17210830), (10, 13768664), (13, 10591280), (14, 9834760), (16, 8605415), (20, 6884332), (26, 5295640), (28, 4917380), (35, 3933904), (40, 3442166), (52, 2647820), (56, 2458690), (65, 2118256), (70, 1966952), (80, 1721083), (91, 1513040), (104, 1323910), (112, 1229345), (130, 1059128), (140, 983476), (182, 756520), (208, 661955), (260, 529564), (280, 491738), (364, 378260), (455, 302608), (520, 264782), (560, 245869), (728, 189130), (910, 151304), (1040, 132391), (1456, 94565), (1820, 75652), (3640, 37826), (7280, 18913)]