1020007520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:773

約数の個数: 144

約数和(自身を含む): 2819251008

約数和(自身を除く): 1799243488

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 281, 392, 463, 490, 560, 562, 784, 926, 980, 1120, 1124, 1405, 1568, 1852, 1960, 1967, 2248, 2315, 2810, 3241, 3704, 3920, 3934, 4496, 4630, 5620, 6482, 7408, 7840, 7868, 8992, 9260, 9835, 11240, 12964, 13769, 14816, 15736, 16205, 18520, 19670, 22480, 22687, 25928, 27538, 31472, 32410, 37040, 39340, 44960, 45374, 51856, 55076, 62944, 64820, 68845, 74080, 78680, 90748, 103712, 110152, 113435, 129640, 130103, 137690, 157360, 181496, 220304, 226870, 259280, 260206, 275380, 314720, 362992, 440608, 453740, 518560, 520412, 550760, 650515, 725984, 907480, 910721, 1040824, 1101520, 1301030, 1814960, 1821442, 2081648, 2203040, 2602060, 3629920, 3642884, 4163296, 4553605, 5204120, 6375047, 7285768, 9107210, 10408240, 12750094, 14571536, 18214420, 20816480, 25500188, 29143072, 31875235, 36428840, 51000376, 63750470, 72857680, 102000752, 127500940, 145715360, 204001504, 255001880, 510003760, 1020007520]

約数ペア:

[(1, 1020007520), (2, 510003760), (4, 255001880), (5, 204001504), (7, 145715360), (8, 127500940), (10, 102000752), (14, 72857680), (16, 63750470), (20, 51000376), (28, 36428840), (32, 31875235), (35, 29143072), (40, 25500188), (49, 20816480), (56, 18214420), (70, 14571536), (80, 12750094), (98, 10408240), (112, 9107210), (140, 7285768), (160, 6375047), (196, 5204120), (224, 4553605), (245, 4163296), (280, 3642884), (281, 3629920), (392, 2602060), (463, 2203040), (490, 2081648), (560, 1821442), (562, 1814960), (784, 1301030), (926, 1101520), (980, 1040824), (1120, 910721), (1124, 907480), (1405, 725984), (1568, 650515), (1852, 550760), (1960, 520412), (1967, 518560), (2248, 453740), (2315, 440608), (2810, 362992), (3241, 314720), (3704, 275380), (3920, 260206), (3934, 259280), (4496, 226870), (4630, 220304), (5620, 181496), (6482, 157360), (7408, 137690), (7840, 130103), (7868, 129640), (8992, 113435), (9260, 110152), (9835, 103712), (11240, 90748), (12964, 78680), (13769, 74080), (14816, 68845), (15736, 64820), (16205, 62944), (18520, 55076), (19670, 51856), (22480, 45374), (22687, 44960), (25928, 39340), (27538, 37040), (31472, 32410)]