131528880

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{8699}}^1$

素因数の和:8728

約数の個数: 160

約数和(自身を含む): 517824000

約数和(自身を除く): 386295120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 8699, 15120, 17398, 26097, 34796, 43495, 52194, 60893, 69592, 78291, 86990, 104388, 121786, 130485, 139184, 156582, 173980, 182679, 208776, 234873, 243572, 260970, 304465, 313164, 347960, 365358, 391455, 417552, 469746, 487144, 521940, 548037, 608930, 626328, 695920, 730716, 782910, 913395, 939492, 974288, 1043880, 1096074, 1174365, 1217860, 1252656, 1461432, 1565820, 1644111, 1826790, 1878984, 2087760, 2192148, 2348730, 2435720, 2740185, 2922864, 3131640, 3288222, 3653580, 3757968, 4384296, 4697460, 4871440, 5480370, 6263280, 6576444, 7307160, 8220555, 8768592, 9394920, 10960740, 13152888, 14614320, 16441110, 18789840, 21921480, 26305776, 32882220, 43842960, 65764440, 131528880]

約数ペア:

[(1, 131528880), (2, 65764440), (3, 43842960), (4, 32882220), (5, 26305776), (6, 21921480), (7, 18789840), (8, 16441110), (9, 14614320), (10, 13152888), (12, 10960740), (14, 9394920), (15, 8768592), (16, 8220555), (18, 7307160), (20, 6576444), (21, 6263280), (24, 5480370), (27, 4871440), (28, 4697460), (30, 4384296), (35, 3757968), (36, 3653580), (40, 3288222), (42, 3131640), (45, 2922864), (48, 2740185), (54, 2435720), (56, 2348730), (60, 2192148), (63, 2087760), (70, 1878984), (72, 1826790), (80, 1644111), (84, 1565820), (90, 1461432), (105, 1252656), (108, 1217860), (112, 1174365), (120, 1096074), (126, 1043880), (135, 974288), (140, 939492), (144, 913395), (168, 782910), (180, 730716), (189, 695920), (210, 626328), (216, 608930), (240, 548037), (252, 521940), (270, 487144), (280, 469746), (315, 417552), (336, 391455), (360, 365358), (378, 347960), (420, 313164), (432, 304465), (504, 260970), (540, 243572), (560, 234873), (630, 208776), (720, 182679), (756, 173980), (840, 156582), (945, 139184), (1008, 130485), (1080, 121786), (1260, 104388), (1512, 86990), (1680, 78291), (1890, 69592), (2160, 60893), (2520, 52194), (3024, 43495), (3780, 34796), (5040, 26097), (7560, 17398), (8699, 15120)]