15761036180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{1049}}^1\times {\mathrm{2081}}^1$

素因数の和:3177

約数の個数: 72

約数和(自身を含む): 34981972200

約数和(自身を除く): 19220936020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1049, 1444, 1805, 2081, 2098, 3610, 4162, 4196, 5245, 7220, 8324, 10405, 10490, 19931, 20810, 20980, 39539, 39862, 41620, 79078, 79724, 99655, 158156, 197695, 199310, 378689, 395390, 398620, 751241, 757378, 790780, 1502482, 1514756, 1893445, 2182969, 3004964, 3756205, 3786890, 4365938, 7512410, 7573780, 8731876, 10914845, 15024820, 21829690, 41476411, 43659380, 82952822, 165905644, 207382055, 414764110, 788051809, 829528220, 1576103618, 3152207236, 3940259045, 7880518090, 15761036180]

約数ペア:

[(1, 15761036180), (2, 7880518090), (4, 3940259045), (5, 3152207236), (10, 1576103618), (19, 829528220), (20, 788051809), (38, 414764110), (76, 207382055), (95, 165905644), (190, 82952822), (361, 43659380), (380, 41476411), (722, 21829690), (1049, 15024820), (1444, 10914845), (1805, 8731876), (2081, 7573780), (2098, 7512410), (3610, 4365938), (4162, 3786890), (4196, 3756205), (5245, 3004964), (7220, 2182969), (8324, 1893445), (10405, 1514756), (10490, 1502482), (19931, 790780), (20810, 757378), (20980, 751241), (39539, 398620), (39862, 395390), (41620, 378689), (79078, 199310), (79724, 197695), (99655, 158156)]