129427480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:130

約数の個数: 192

約数和(自身を含む): 380358720

約数和(自身を除く): 250931240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 31, 35, 37, 40, 52, 56, 62, 65, 70, 74, 91, 104, 124, 130, 140, 148, 155, 182, 185, 217, 248, 259, 260, 280, 296, 310, 364, 370, 403, 434, 455, 481, 518, 520, 620, 728, 740, 806, 868, 910, 961, 962, 1036, 1085, 1147, 1240, 1295, 1480, 1612, 1736, 1820, 1922, 1924, 2015, 2072, 2170, 2294, 2405, 2590, 2821, 3224, 3367, 3640, 3844, 3848, 4030, 4340, 4588, 4805, 4810, 5180, 5642, 5735, 6727, 6734, 7688, 8029, 8060, 8680, 9176, 9610, 9620, 10360, 11284, 11470, 12493, 13454, 13468, 14105, 14911, 16058, 16120, 16835, 19220, 19240, 22568, 22940, 24986, 26908, 26936, 28210, 29822, 32116, 33635, 33670, 35557, 38440, 40145, 45880, 49972, 53816, 56420, 59644, 62465, 64232, 67270, 67340, 71114, 74555, 80290, 87451, 99944, 104377, 112840, 119288, 124930, 134540, 134680, 142228, 149110, 160580, 174902, 177785, 208754, 248899, 249860, 269080, 284456, 298220, 321160, 349804, 355570, 417508, 437255, 462241, 497798, 499720, 521885, 596440, 699608, 711140, 835016, 874510, 924482, 995596, 1043770, 1244495, 1422280, 1749020, 1848964, 1991192, 2087540, 2311205, 2488990, 3235687, 3498040, 3697928, 4175080, 4622410, 4977980, 6471374, 9244820, 9955960, 12942748, 16178435, 18489640, 25885496, 32356870, 64713740, 129427480]

約数ペア:

[(1, 129427480), (2, 64713740), (4, 32356870), (5, 25885496), (7, 18489640), (8, 16178435), (10, 12942748), (13, 9955960), (14, 9244820), (20, 6471374), (26, 4977980), (28, 4622410), (31, 4175080), (35, 3697928), (37, 3498040), (40, 3235687), (52, 2488990), (56, 2311205), (62, 2087540), (65, 1991192), (70, 1848964), (74, 1749020), (91, 1422280), (104, 1244495), (124, 1043770), (130, 995596), (140, 924482), (148, 874510), (155, 835016), (182, 711140), (185, 699608), (217, 596440), (248, 521885), (259, 499720), (260, 497798), (280, 462241), (296, 437255), (310, 417508), (364, 355570), (370, 349804), (403, 321160), (434, 298220), (455, 284456), (481, 269080), (518, 249860), (520, 248899), (620, 208754), (728, 177785), (740, 174902), (806, 160580), (868, 149110), (910, 142228), (961, 134680), (962, 134540), (1036, 124930), (1085, 119288), (1147, 112840), (1240, 104377), (1295, 99944), (1480, 87451), (1612, 80290), (1736, 74555), (1820, 71114), (1922, 67340), (1924, 67270), (2015, 64232), (2072, 62465), (2170, 59644), (2294, 56420), (2405, 53816), (2590, 49972), (2821, 45880), (3224, 40145), (3367, 38440), (3640, 35557), (3844, 33670), (3848, 33635), (4030, 32116), (4340, 29822), (4588, 28210), (4805, 26936), (4810, 26908), (5180, 24986), (5642, 22940), (5735, 22568), (6727, 19240), (6734, 19220), (7688, 16835), (8029, 16120), (8060, 16058), (8680, 14911), (9176, 14105), (9610, 13468), (9620, 13454), (10360, 12493), (11284, 11470)]