255311280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:488

約数の個数: 240

約数和(自身を含む): 988865280

約数和(自身を除く): 733554000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 179, 180, 210, 240, 252, 280, 283, 315, 336, 358, 360, 420, 504, 537, 560, 566, 630, 716, 720, 840, 849, 895, 1008, 1074, 1132, 1253, 1260, 1415, 1432, 1611, 1680, 1698, 1790, 1981, 2148, 2264, 2506, 2520, 2547, 2685, 2830, 2864, 3222, 3396, 3580, 3759, 3962, 4245, 4296, 4528, 5012, 5040, 5094, 5370, 5660, 5943, 6265, 6444, 6792, 7160, 7518, 7924, 8055, 8490, 8592, 9905, 10024, 10188, 10740, 11277, 11320, 11886, 12530, 12735, 12888, 13584, 14320, 15036, 15848, 16110, 16980, 17829, 18795, 19810, 20048, 20376, 21480, 22554, 22640, 23772, 25060, 25470, 25776, 29715, 30072, 31696, 32220, 33960, 35658, 37590, 39620, 40752, 42960, 45108, 47544, 50120, 50657, 50940, 56385, 59430, 60144, 64440, 67920, 71316, 75180, 79240, 89145, 90216, 95088, 100240, 101314, 101880, 112770, 118860, 128880, 142632, 150360, 151971, 158480, 178290, 180432, 202628, 203760, 225540, 237720, 253285, 285264, 300720, 303942, 354599, 356580, 405256, 451080, 455913, 475440, 506570, 607884, 709198, 713160, 759855, 810512, 902160, 911826, 1013140, 1063797, 1215768, 1418396, 1426320, 1519710, 1772995, 1823652, 2026280, 2127594, 2279565, 2431536, 2836792, 3039420, 3191391, 3545990, 3647304, 4052560, 4255188, 4559130, 5318985, 5673584, 6078840, 6382782, 7091980, 7294608, 8510376, 9118260, 10637970, 12157680, 12765564, 14183960, 15956955, 17020752, 18236520, 21275940, 25531128, 28367920, 31913910, 36473040, 42551880, 51062256, 63827820, 85103760, 127655640, 255311280]

約数ペア:

[(1, 255311280), (2, 127655640), (3, 85103760), (4, 63827820), (5, 51062256), (6, 42551880), (7, 36473040), (8, 31913910), (9, 28367920), (10, 25531128), (12, 21275940), (14, 18236520), (15, 17020752), (16, 15956955), (18, 14183960), (20, 12765564), (21, 12157680), (24, 10637970), (28, 9118260), (30, 8510376), (35, 7294608), (36, 7091980), (40, 6382782), (42, 6078840), (45, 5673584), (48, 5318985), (56, 4559130), (60, 4255188), (63, 4052560), (70, 3647304), (72, 3545990), (80, 3191391), (84, 3039420), (90, 2836792), (105, 2431536), (112, 2279565), (120, 2127594), (126, 2026280), (140, 1823652), (144, 1772995), (168, 1519710), (179, 1426320), (180, 1418396), (210, 1215768), (240, 1063797), (252, 1013140), (280, 911826), (283, 902160), (315, 810512), (336, 759855), (358, 713160), (360, 709198), (420, 607884), (504, 506570), (537, 475440), (560, 455913), (566, 451080), (630, 405256), (716, 356580), (720, 354599), (840, 303942), (849, 300720), (895, 285264), (1008, 253285), (1074, 237720), (1132, 225540), (1253, 203760), (1260, 202628), (1415, 180432), (1432, 178290), (1611, 158480), (1680, 151971), (1698, 150360), (1790, 142632), (1981, 128880), (2148, 118860), (2264, 112770), (2506, 101880), (2520, 101314), (2547, 100240), (2685, 95088), (2830, 90216), (2864, 89145), (3222, 79240), (3396, 75180), (3580, 71316), (3759, 67920), (3962, 64440), (4245, 60144), (4296, 59430), (4528, 56385), (5012, 50940), (5040, 50657), (5094, 50120), (5370, 47544), (5660, 45108), (5943, 42960), (6265, 40752), (6444, 39620), (6792, 37590), (7160, 35658), (7518, 33960), (7924, 32220), (8055, 31696), (8490, 30072), (8592, 29715), (9905, 25776), (10024, 25470), (10188, 25060), (10740, 23772), (11277, 22640), (11320, 22554), (11886, 21480), (12530, 20376), (12735, 20048), (12888, 19810), (13584, 18795), (14320, 17829), (15036, 16980), (15848, 16110)]