287490560

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 160

約数和(自身を含む): 803734272

約数和(自身を除く): 516243712

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 256, 263, 280, 305, 320, 427, 448, 488, 512, 526, 560, 610, 640, 854, 896, 976, 1052, 1120, 1220, 1280, 1315, 1708, 1792, 1841, 1952, 2104, 2135, 2240, 2440, 2560, 2630, 3416, 3584, 3682, 3904, 4208, 4270, 4480, 4880, 5260, 6832, 7364, 7808, 8416, 8540, 8960, 9205, 9760, 10520, 13664, 14728, 15616, 16043, 16832, 17080, 17920, 18410, 19520, 21040, 27328, 29456, 31232, 32086, 33664, 34160, 36820, 39040, 42080, 54656, 58912, 64172, 67328, 68320, 73640, 78080, 80215, 84160, 109312, 112301, 117824, 128344, 134656, 136640, 147280, 156160, 160430, 168320, 218624, 224602, 235648, 256688, 273280, 294560, 320860, 336640, 449204, 471296, 513376, 546560, 561505, 589120, 641720, 673280, 898408, 942592, 1026752, 1093120, 1123010, 1178240, 1283440, 1796816, 2053504, 2246020, 2356480, 2566880, 3593632, 4107008, 4492040, 4712960, 5133760, 7187264, 8214016, 8984080, 10267520, 14374528, 17968160, 20535040, 28749056, 35936320, 41070080, 57498112, 71872640, 143745280, 287490560]

約数ペア:

[(1, 287490560), (2, 143745280), (4, 71872640), (5, 57498112), (7, 41070080), (8, 35936320), (10, 28749056), (14, 20535040), (16, 17968160), (20, 14374528), (28, 10267520), (32, 8984080), (35, 8214016), (40, 7187264), (56, 5133760), (61, 4712960), (64, 4492040), (70, 4107008), (80, 3593632), (112, 2566880), (122, 2356480), (128, 2246020), (140, 2053504), (160, 1796816), (224, 1283440), (244, 1178240), (256, 1123010), (263, 1093120), (280, 1026752), (305, 942592), (320, 898408), (427, 673280), (448, 641720), (488, 589120), (512, 561505), (526, 546560), (560, 513376), (610, 471296), (640, 449204), (854, 336640), (896, 320860), (976, 294560), (1052, 273280), (1120, 256688), (1220, 235648), (1280, 224602), (1315, 218624), (1708, 168320), (1792, 160430), (1841, 156160), (1952, 147280), (2104, 136640), (2135, 134656), (2240, 128344), (2440, 117824), (2560, 112301), (2630, 109312), (3416, 84160), (3584, 80215), (3682, 78080), (3904, 73640), (4208, 68320), (4270, 67328), (4480, 64172), (4880, 58912), (5260, 54656), (6832, 42080), (7364, 39040), (7808, 36820), (8416, 34160), (8540, 33664), (8960, 32086), (9205, 31232), (9760, 29456), (10520, 27328), (13664, 21040), (14728, 19520), (15616, 18410), (16043, 17920), (16832, 17080)]