1230885760

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{439}}^1$

素因数の和:808

約数の個数: 128

約数和(自身を含む): 3185582400

約数和(自身を除く): 1954696640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 337, 416, 439, 520, 640, 674, 832, 878, 1040, 1348, 1664, 1685, 1756, 2080, 2195, 2696, 3370, 3512, 4160, 4381, 4390, 5392, 5707, 6740, 7024, 8320, 8762, 8780, 10784, 11414, 13480, 14048, 17524, 17560, 21568, 21905, 22828, 26960, 28096, 28535, 35048, 35120, 43136, 43810, 45656, 53920, 56192, 57070, 70096, 70240, 87620, 91312, 107840, 114140, 140192, 140480, 147943, 175240, 182624, 215680, 228280, 280384, 280960, 295886, 350480, 365248, 456560, 560768, 591772, 700960, 730496, 739715, 913120, 1183544, 1401920, 1479430, 1826240, 1923259, 2367088, 2803840, 2958860, 3652480, 3846518, 4734176, 5917720, 7693036, 9468352, 9616295, 11835440, 15386072, 18936704, 19232590, 23670880, 30772144, 38465180, 47341760, 61544288, 76930360, 94683520, 123088576, 153860720, 246177152, 307721440, 615442880, 1230885760]

約数ペア:

[(1, 1230885760), (2, 615442880), (4, 307721440), (5, 246177152), (8, 153860720), (10, 123088576), (13, 94683520), (16, 76930360), (20, 61544288), (26, 47341760), (32, 38465180), (40, 30772144), (52, 23670880), (64, 19232590), (65, 18936704), (80, 15386072), (104, 11835440), (128, 9616295), (130, 9468352), (160, 7693036), (208, 5917720), (260, 4734176), (320, 3846518), (337, 3652480), (416, 2958860), (439, 2803840), (520, 2367088), (640, 1923259), (674, 1826240), (832, 1479430), (878, 1401920), (1040, 1183544), (1348, 913120), (1664, 739715), (1685, 730496), (1756, 700960), (2080, 591772), (2195, 560768), (2696, 456560), (3370, 365248), (3512, 350480), (4160, 295886), (4381, 280960), (4390, 280384), (5392, 228280), (5707, 215680), (6740, 182624), (7024, 175240), (8320, 147943), (8762, 140480), (8780, 140192), (10784, 114140), (11414, 107840), (13480, 91312), (14048, 87620), (17524, 70240), (17560, 70096), (21568, 57070), (21905, 56192), (22828, 53920), (26960, 45656), (28096, 43810), (28535, 43136), (35048, 35120)]