51283960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 144708480

約数和(自身を除く): 93424520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 193, 260, 280, 292, 364, 365, 386, 455, 511, 520, 584, 728, 730, 772, 910, 949, 965, 1022, 1351, 1460, 1544, 1820, 1898, 1930, 2044, 2509, 2555, 2702, 2920, 3640, 3796, 3860, 4088, 4745, 5018, 5110, 5404, 6643, 6755, 7592, 7720, 9490, 10036, 10220, 10808, 12545, 13286, 13510, 14089, 17563, 18980, 20072, 20440, 25090, 26572, 27020, 28178, 33215, 35126, 37960, 50180, 53144, 54040, 56356, 66430, 70252, 70445, 87815, 98623, 100360, 112712, 132860, 140504, 140890, 175630, 183157, 197246, 265720, 281780, 351260, 366314, 394492, 493115, 563560, 702520, 732628, 788984, 915785, 986230, 1282099, 1465256, 1831570, 1972460, 2564198, 3663140, 3944920, 5128396, 6410495, 7326280, 10256792, 12820990, 25641980, 51283960]

約数ペア:

[(1, 51283960), (2, 25641980), (4, 12820990), (5, 10256792), (7, 7326280), (8, 6410495), (10, 5128396), (13, 3944920), (14, 3663140), (20, 2564198), (26, 1972460), (28, 1831570), (35, 1465256), (40, 1282099), (52, 986230), (56, 915785), (65, 788984), (70, 732628), (73, 702520), (91, 563560), (104, 493115), (130, 394492), (140, 366314), (146, 351260), (182, 281780), (193, 265720), (260, 197246), (280, 183157), (292, 175630), (364, 140890), (365, 140504), (386, 132860), (455, 112712), (511, 100360), (520, 98623), (584, 87815), (728, 70445), (730, 70252), (772, 66430), (910, 56356), (949, 54040), (965, 53144), (1022, 50180), (1351, 37960), (1460, 35126), (1544, 33215), (1820, 28178), (1898, 27020), (1930, 26572), (2044, 25090), (2509, 20440), (2555, 20072), (2702, 18980), (2920, 17563), (3640, 14089), (3796, 13510), (3860, 13286), (4088, 12545), (4745, 10808), (5018, 10220), (5110, 10036), (5404, 9490), (6643, 7720), (6755, 7592)]