12960037480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{1531}}^1$

素因数の和:1851

約数の個数: 128

約数和(自身を含む): 31996984320

約数和(自身を除く): 19036946840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 73, 104, 130, 146, 223, 260, 292, 365, 446, 520, 584, 730, 892, 949, 1115, 1460, 1531, 1784, 1898, 2230, 2899, 2920, 3062, 3796, 4460, 4745, 5798, 6124, 7592, 7655, 8920, 9490, 11596, 12248, 14495, 15310, 16279, 18980, 19903, 23192, 28990, 30620, 32558, 37960, 39806, 57980, 61240, 65116, 79612, 81395, 99515, 111763, 115960, 130232, 159224, 162790, 199030, 211627, 223526, 325580, 341413, 398060, 423254, 447052, 558815, 651160, 682826, 796120, 846508, 894104, 1058135, 1117630, 1365652, 1452919, 1693016, 1707065, 2116270, 2235260, 2731304, 2905838, 3414130, 4232540, 4438369, 4470520, 5811676, 6828260, 7264595, 8465080, 8876738, 11623352, 13656520, 14529190, 17753476, 22191845, 24923149, 29058380, 35506952, 44383690, 49846298, 58116760, 88767380, 99692596, 124615745, 177534760, 199385192, 249231490, 324000937, 498462980, 648001874, 996925960, 1296003748, 1620004685, 2592007496, 3240009370, 6480018740, 12960037480]

約数ペア:

[(1, 12960037480), (2, 6480018740), (4, 3240009370), (5, 2592007496), (8, 1620004685), (10, 1296003748), (13, 996925960), (20, 648001874), (26, 498462980), (40, 324000937), (52, 249231490), (65, 199385192), (73, 177534760), (104, 124615745), (130, 99692596), (146, 88767380), (223, 58116760), (260, 49846298), (292, 44383690), (365, 35506952), (446, 29058380), (520, 24923149), (584, 22191845), (730, 17753476), (892, 14529190), (949, 13656520), (1115, 11623352), (1460, 8876738), (1531, 8465080), (1784, 7264595), (1898, 6828260), (2230, 5811676), (2899, 4470520), (2920, 4438369), (3062, 4232540), (3796, 3414130), (4460, 2905838), (4745, 2731304), (5798, 2235260), (6124, 2116270), (7592, 1707065), (7655, 1693016), (8920, 1452919), (9490, 1365652), (11596, 1117630), (12248, 1058135), (14495, 894104), (15310, 846508), (16279, 796120), (18980, 682826), (19903, 651160), (23192, 558815), (28990, 447052), (30620, 423254), (32558, 398060), (37960, 341413), (39806, 325580), (57980, 223526), (61240, 211627), (65116, 199030), (79612, 162790), (81395, 159224), (99515, 130232), (111763, 115960)]