255739680

素因数分解:

$2^5\times 3^4\times 5^1\times 7^1\times {\mathrm{2819}}^1$

素因数の和:2853

約数の個数: 240

約数和(自身を含む): 1031849280

約数和(自身を除く): 776109600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 162, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 324, 336, 360, 378, 405, 420, 432, 480, 504, 540, 560, 567, 630, 648, 672, 720, 756, 810, 840, 864, 945, 1008, 1080, 1120, 1134, 1260, 1296, 1440, 1512, 1620, 1680, 1890, 2016, 2160, 2268, 2520, 2592, 2819, 2835, 3024, 3240, 3360, 3780, 4320, 4536, 5040, 5638, 5670, 6048, 6480, 7560, 8457, 9072, 10080, 11276, 11340, 12960, 14095, 15120, 16914, 18144, 19733, 22552, 22680, 25371, 28190, 30240, 33828, 39466, 42285, 45104, 45360, 50742, 56380, 59199, 67656, 76113, 78932, 84570, 90208, 90720, 98665, 101484, 112760, 118398, 126855, 135312, 152226, 157864, 169140, 177597, 197330, 202968, 225520, 228339, 236796, 253710, 270624, 295995, 304452, 315728, 338280, 355194, 380565, 394660, 405936, 451040, 456678, 473592, 507420, 532791, 591990, 608904, 631456, 676560, 710388, 761130, 789320, 811872, 887985, 913356, 947184, 1014840, 1065582, 1141695, 1183980, 1217808, 1353120, 1420776, 1522260, 1578640, 1598373, 1775970, 1826712, 1894368, 2029680, 2131164, 2283390, 2367960, 2435616, 2663955, 2841552, 3044520, 3157280, 3196746, 3551940, 3653424, 4059360, 4262328, 4566780, 4735920, 5327910, 5683104, 6089040, 6393492, 7103880, 7306848, 7991865, 8524656, 9133560, 9471840, 10655820, 12178080, 12786984, 14207760, 15983730, 17049312, 18267120, 21311640, 25573968, 28415520, 31967460, 36534240, 42623280, 51147936, 63934920, 85246560, 127869840, 255739680]

約数ペア:

[(1, 255739680), (2, 127869840), (3, 85246560), (4, 63934920), (5, 51147936), (6, 42623280), (7, 36534240), (8, 31967460), (9, 28415520), (10, 25573968), (12, 21311640), (14, 18267120), (15, 17049312), (16, 15983730), (18, 14207760), (20, 12786984), (21, 12178080), (24, 10655820), (27, 9471840), (28, 9133560), (30, 8524656), (32, 7991865), (35, 7306848), (36, 7103880), (40, 6393492), (42, 6089040), (45, 5683104), (48, 5327910), (54, 4735920), (56, 4566780), (60, 4262328), (63, 4059360), (70, 3653424), (72, 3551940), (80, 3196746), (81, 3157280), (84, 3044520), (90, 2841552), (96, 2663955), (105, 2435616), (108, 2367960), (112, 2283390), (120, 2131164), (126, 2029680), (135, 1894368), (140, 1826712), (144, 1775970), (160, 1598373), (162, 1578640), (168, 1522260), (180, 1420776), (189, 1353120), (210, 1217808), (216, 1183980), (224, 1141695), (240, 1065582), (252, 1014840), (270, 947184), (280, 913356), (288, 887985), (315, 811872), (324, 789320), (336, 761130), (360, 710388), (378, 676560), (405, 631456), (420, 608904), (432, 591990), (480, 532791), (504, 507420), (540, 473592), (560, 456678), (567, 451040), (630, 405936), (648, 394660), (672, 380565), (720, 355194), (756, 338280), (810, 315728), (840, 304452), (864, 295995), (945, 270624), (1008, 253710), (1080, 236796), (1120, 228339), (1134, 225520), (1260, 202968), (1296, 197330), (1440, 177597), (1512, 169140), (1620, 157864), (1680, 152226), (1890, 135312), (2016, 126855), (2160, 118398), (2268, 112760), (2520, 101484), (2592, 98665), (2819, 90720), (2835, 90208), (3024, 84570), (3240, 78932), (3360, 76113), (3780, 67656), (4320, 59199), (4536, 56380), (5040, 50742), (5638, 45360), (5670, 45104), (6048, 42285), (6480, 39466), (7560, 33828), (8457, 30240), (9072, 28190), (10080, 25371), (11276, 22680), (11340, 22552), (12960, 19733), (14095, 18144), (15120, 16914)]