259454720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1259}}^1$

素因数の和:1310

約数の個数: 144

約数和(自身を含む): 741726720

約数和(自身を除く): 482272000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 256, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1259, 1280, 1288, 1472, 1610, 1792, 1840, 2240, 2518, 2576, 2944, 3220, 3680, 4480, 5036, 5152, 5888, 6295, 6440, 7360, 8813, 8960, 10072, 10304, 12590, 12880, 14720, 17626, 20144, 20608, 25180, 25760, 28957, 29440, 35252, 40288, 41216, 44065, 50360, 51520, 57914, 70504, 80576, 88130, 100720, 103040, 115828, 141008, 144785, 161152, 176260, 201440, 202699, 206080, 231656, 282016, 289570, 322304, 352520, 402880, 405398, 463312, 564032, 579140, 705040, 805760, 810796, 926624, 1013495, 1128064, 1158280, 1410080, 1611520, 1621592, 1853248, 2026990, 2256128, 2316560, 2820160, 3243184, 3706496, 4053980, 4633120, 5640320, 6486368, 7412992, 8107960, 9266240, 11280640, 12972736, 16215920, 18532480, 25945472, 32431840, 37064960, 51890944, 64863680, 129727360, 259454720]

約数ペア:

[(1, 259454720), (2, 129727360), (4, 64863680), (5, 51890944), (7, 37064960), (8, 32431840), (10, 25945472), (14, 18532480), (16, 16215920), (20, 12972736), (23, 11280640), (28, 9266240), (32, 8107960), (35, 7412992), (40, 6486368), (46, 5640320), (56, 4633120), (64, 4053980), (70, 3706496), (80, 3243184), (92, 2820160), (112, 2316560), (115, 2256128), (128, 2026990), (140, 1853248), (160, 1621592), (161, 1611520), (184, 1410080), (224, 1158280), (230, 1128064), (256, 1013495), (280, 926624), (320, 810796), (322, 805760), (368, 705040), (448, 579140), (460, 564032), (560, 463312), (640, 405398), (644, 402880), (736, 352520), (805, 322304), (896, 289570), (920, 282016), (1120, 231656), (1259, 206080), (1280, 202699), (1288, 201440), (1472, 176260), (1610, 161152), (1792, 144785), (1840, 141008), (2240, 115828), (2518, 103040), (2576, 100720), (2944, 88130), (3220, 80576), (3680, 70504), (4480, 57914), (5036, 51520), (5152, 50360), (5888, 44065), (6295, 41216), (6440, 40288), (7360, 35252), (8813, 29440), (8960, 28957), (10072, 25760), (10304, 25180), (12590, 20608), (12880, 20144), (14720, 17626)]