64713740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:128

約数の個数: 144

約数和(自身を含む): 177500736

約数和(自身を除く): 112786996

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 31, 35, 37, 52, 62, 65, 70, 74, 91, 124, 130, 140, 148, 155, 182, 185, 217, 259, 260, 310, 364, 370, 403, 434, 455, 481, 518, 620, 740, 806, 868, 910, 961, 962, 1036, 1085, 1147, 1295, 1612, 1820, 1922, 1924, 2015, 2170, 2294, 2405, 2590, 2821, 3367, 3844, 4030, 4340, 4588, 4805, 4810, 5180, 5642, 5735, 6727, 6734, 8029, 8060, 9610, 9620, 11284, 11470, 12493, 13454, 13468, 14105, 14911, 16058, 16835, 19220, 22940, 24986, 26908, 28210, 29822, 32116, 33635, 33670, 35557, 40145, 49972, 56420, 59644, 62465, 67270, 67340, 71114, 74555, 80290, 87451, 104377, 124930, 134540, 142228, 149110, 160580, 174902, 177785, 208754, 248899, 249860, 298220, 349804, 355570, 417508, 437255, 462241, 497798, 521885, 711140, 874510, 924482, 995596, 1043770, 1244495, 1749020, 1848964, 2087540, 2311205, 2488990, 3235687, 4622410, 4977980, 6471374, 9244820, 12942748, 16178435, 32356870, 64713740]

約数ペア:

[(1, 64713740), (2, 32356870), (4, 16178435), (5, 12942748), (7, 9244820), (10, 6471374), (13, 4977980), (14, 4622410), (20, 3235687), (26, 2488990), (28, 2311205), (31, 2087540), (35, 1848964), (37, 1749020), (52, 1244495), (62, 1043770), (65, 995596), (70, 924482), (74, 874510), (91, 711140), (124, 521885), (130, 497798), (140, 462241), (148, 437255), (155, 417508), (182, 355570), (185, 349804), (217, 298220), (259, 249860), (260, 248899), (310, 208754), (364, 177785), (370, 174902), (403, 160580), (434, 149110), (455, 142228), (481, 134540), (518, 124930), (620, 104377), (740, 87451), (806, 80290), (868, 74555), (910, 71114), (961, 67340), (962, 67270), (1036, 62465), (1085, 59644), (1147, 56420), (1295, 49972), (1612, 40145), (1820, 35557), (1922, 33670), (1924, 33635), (2015, 32116), (2170, 29822), (2294, 28210), (2405, 26908), (2590, 24986), (2821, 22940), (3367, 19220), (3844, 16835), (4030, 16058), (4340, 14911), (4588, 14105), (4805, 13468), (4810, 13454), (5180, 12493), (5642, 11470), (5735, 11284), (6727, 9620), (6734, 9610), (8029, 8060)]