258854960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:132

約数の個数: 240

約数和(自身を含む): 786074688

約数和(自身を除く): 527219728

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 37, 40, 52, 56, 62, 65, 70, 74, 80, 91, 104, 112, 124, 130, 140, 148, 155, 182, 185, 208, 217, 248, 259, 260, 280, 296, 310, 364, 370, 403, 434, 455, 481, 496, 518, 520, 560, 592, 620, 728, 740, 806, 868, 910, 961, 962, 1036, 1040, 1085, 1147, 1240, 1295, 1456, 1480, 1612, 1736, 1820, 1922, 1924, 2015, 2072, 2170, 2294, 2405, 2480, 2590, 2821, 2960, 3224, 3367, 3472, 3640, 3844, 3848, 4030, 4144, 4340, 4588, 4805, 4810, 5180, 5642, 5735, 6448, 6727, 6734, 7280, 7688, 7696, 8029, 8060, 8680, 9176, 9610, 9620, 10360, 11284, 11470, 12493, 13454, 13468, 14105, 14911, 15376, 16058, 16120, 16835, 17360, 18352, 19220, 19240, 20720, 22568, 22940, 24986, 26908, 26936, 28210, 29822, 32116, 32240, 33635, 33670, 35557, 38440, 38480, 40145, 45136, 45880, 49972, 53816, 53872, 56420, 59644, 62465, 64232, 67270, 67340, 71114, 74555, 76880, 80290, 87451, 91760, 99944, 104377, 107632, 112840, 119288, 124930, 128464, 134540, 134680, 142228, 149110, 160580, 174902, 177785, 199888, 208754, 225680, 238576, 248899, 249860, 269080, 269360, 284456, 298220, 321160, 349804, 355570, 417508, 437255, 462241, 497798, 499720, 521885, 538160, 568912, 596440, 642320, 699608, 711140, 835016, 874510, 924482, 995596, 999440, 1043770, 1192880, 1244495, 1399216, 1422280, 1670032, 1749020, 1848964, 1991192, 2087540, 2311205, 2488990, 2844560, 3235687, 3498040, 3697928, 3982384, 4175080, 4622410, 4977980, 6471374, 6996080, 7395856, 8350160, 9244820, 9955960, 12942748, 16178435, 18489640, 19911920, 25885496, 32356870, 36979280, 51770992, 64713740, 129427480, 258854960]

約数ペア:

[(1, 258854960), (2, 129427480), (4, 64713740), (5, 51770992), (7, 36979280), (8, 32356870), (10, 25885496), (13, 19911920), (14, 18489640), (16, 16178435), (20, 12942748), (26, 9955960), (28, 9244820), (31, 8350160), (35, 7395856), (37, 6996080), (40, 6471374), (52, 4977980), (56, 4622410), (62, 4175080), (65, 3982384), (70, 3697928), (74, 3498040), (80, 3235687), (91, 2844560), (104, 2488990), (112, 2311205), (124, 2087540), (130, 1991192), (140, 1848964), (148, 1749020), (155, 1670032), (182, 1422280), (185, 1399216), (208, 1244495), (217, 1192880), (248, 1043770), (259, 999440), (260, 995596), (280, 924482), (296, 874510), (310, 835016), (364, 711140), (370, 699608), (403, 642320), (434, 596440), (455, 568912), (481, 538160), (496, 521885), (518, 499720), (520, 497798), (560, 462241), (592, 437255), (620, 417508), (728, 355570), (740, 349804), (806, 321160), (868, 298220), (910, 284456), (961, 269360), (962, 269080), (1036, 249860), (1040, 248899), (1085, 238576), (1147, 225680), (1240, 208754), (1295, 199888), (1456, 177785), (1480, 174902), (1612, 160580), (1736, 149110), (1820, 142228), (1922, 134680), (1924, 134540), (2015, 128464), (2072, 124930), (2170, 119288), (2294, 112840), (2405, 107632), (2480, 104377), (2590, 99944), (2821, 91760), (2960, 87451), (3224, 80290), (3367, 76880), (3472, 74555), (3640, 71114), (3844, 67340), (3848, 67270), (4030, 64232), (4144, 62465), (4340, 59644), (4588, 56420), (4805, 53872), (4810, 53816), (5180, 49972), (5642, 45880), (5735, 45136), (6448, 40145), (6727, 38480), (6734, 38440), (7280, 35557), (7688, 33670), (7696, 33635), (8029, 32240), (8060, 32116), (8680, 29822), (9176, 28210), (9610, 26936), (9620, 26908), (10360, 24986), (11284, 22940), (11470, 22568), (12493, 20720), (13454, 19240), (13468, 19220), (14105, 18352), (14911, 17360), (15376, 16835), (16058, 16120)]