1276196180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{68539}}^1$

素因数の和:68581

約数の個数: 72

約数和(自身を含む): 3281695200

約数和(自身を除く): 2005499020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1862, 2660, 3724, 4655, 9310, 18620, 68539, 137078, 274156, 342695, 479773, 685390, 959546, 1302241, 1370780, 1919092, 2398865, 2604482, 3358411, 4797730, 5208964, 6511205, 6716822, 9115687, 9595460, 13022410, 13433644, 16792055, 18231374, 26044820, 33584110, 36462748, 45578435, 63809809, 67168220, 91156870, 127619618, 182313740, 255239236, 319049045, 638098090, 1276196180]

約数ペア:

[(1, 1276196180), (2, 638098090), (4, 319049045), (5, 255239236), (7, 182313740), (10, 127619618), (14, 91156870), (19, 67168220), (20, 63809809), (28, 45578435), (35, 36462748), (38, 33584110), (49, 26044820), (70, 18231374), (76, 16792055), (95, 13433644), (98, 13022410), (133, 9595460), (140, 9115687), (190, 6716822), (196, 6511205), (245, 5208964), (266, 4797730), (380, 3358411), (490, 2604482), (532, 2398865), (665, 1919092), (931, 1370780), (980, 1302241), (1330, 959546), (1862, 685390), (2660, 479773), (3724, 342695), (4655, 274156), (9310, 137078), (18620, 68539)]