1281367920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{4261}}^1$

素因数の和:4463

約数の個数: 160

約数和(自身を含む): 4566136320

約数和(自身を除く): 3284768400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 179, 210, 240, 280, 336, 358, 420, 537, 560, 716, 840, 895, 1074, 1253, 1432, 1680, 1790, 2148, 2506, 2685, 2864, 3580, 3759, 4261, 4296, 5012, 5370, 6265, 7160, 7518, 8522, 8592, 10024, 10740, 12530, 12783, 14320, 15036, 17044, 18795, 20048, 21305, 21480, 25060, 25566, 29827, 30072, 34088, 37590, 42610, 42960, 50120, 51132, 59654, 60144, 63915, 68176, 75180, 85220, 89481, 100240, 102264, 119308, 127830, 149135, 150360, 170440, 178962, 204528, 238616, 255660, 298270, 300720, 340880, 357924, 447405, 477232, 511320, 596540, 715848, 762719, 894810, 1022640, 1193080, 1431696, 1525438, 1789620, 2288157, 2386160, 3050876, 3579240, 3813595, 4576314, 5339033, 6101752, 7158480, 7627190, 9152628, 10678066, 11440785, 12203504, 15254380, 16017099, 18305256, 21356132, 22881570, 26695165, 30508760, 32034198, 36610512, 42712264, 45763140, 53390330, 61017520, 64068396, 80085495, 85424528, 91526280, 106780660, 128136792, 160170990, 183052560, 213561320, 256273584, 320341980, 427122640, 640683960, 1281367920]

約数ペア:

[(1, 1281367920), (2, 640683960), (3, 427122640), (4, 320341980), (5, 256273584), (6, 213561320), (7, 183052560), (8, 160170990), (10, 128136792), (12, 106780660), (14, 91526280), (15, 85424528), (16, 80085495), (20, 64068396), (21, 61017520), (24, 53390330), (28, 45763140), (30, 42712264), (35, 36610512), (40, 32034198), (42, 30508760), (48, 26695165), (56, 22881570), (60, 21356132), (70, 18305256), (80, 16017099), (84, 15254380), (105, 12203504), (112, 11440785), (120, 10678066), (140, 9152628), (168, 7627190), (179, 7158480), (210, 6101752), (240, 5339033), (280, 4576314), (336, 3813595), (358, 3579240), (420, 3050876), (537, 2386160), (560, 2288157), (716, 1789620), (840, 1525438), (895, 1431696), (1074, 1193080), (1253, 1022640), (1432, 894810), (1680, 762719), (1790, 715848), (2148, 596540), (2506, 511320), (2685, 477232), (2864, 447405), (3580, 357924), (3759, 340880), (4261, 300720), (4296, 298270), (5012, 255660), (5370, 238616), (6265, 204528), (7160, 178962), (7518, 170440), (8522, 150360), (8592, 149135), (10024, 127830), (10740, 119308), (12530, 102264), (12783, 100240), (14320, 89481), (15036, 85220), (17044, 75180), (18795, 68176), (20048, 63915), (21305, 60144), (21480, 59654), (25060, 51132), (25566, 50120), (29827, 42960), (30072, 42610), (34088, 37590)]