807714920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 1981808640

約数和(自身を除く): 1174093720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 127, 155, 184, 223, 230, 248, 254, 310, 446, 460, 508, 620, 635, 713, 892, 920, 1016, 1115, 1240, 1270, 1426, 1784, 2230, 2540, 2852, 2921, 3565, 3937, 4460, 5080, 5129, 5704, 5842, 6913, 7130, 7874, 8920, 10258, 11684, 13826, 14260, 14605, 15748, 19685, 20516, 23368, 25645, 27652, 28321, 28520, 29210, 31496, 34565, 39370, 41032, 51290, 55304, 56642, 58420, 69130, 78740, 90551, 102580, 113284, 116840, 138260, 141605, 157480, 158999, 181102, 205160, 226568, 276520, 283210, 317998, 362204, 452755, 566420, 635996, 651383, 724408, 794995, 877951, 905510, 1132840, 1271992, 1302766, 1589990, 1755902, 1811020, 2605532, 3179980, 3256915, 3511804, 3622040, 4389755, 5211064, 6359960, 6513830, 7023608, 8779510, 13027660, 17559020, 20192873, 26055320, 35118040, 40385746, 80771492, 100964365, 161542984, 201928730, 403857460, 807714920]

約数ペア:

[(1, 807714920), (2, 403857460), (4, 201928730), (5, 161542984), (8, 100964365), (10, 80771492), (20, 40385746), (23, 35118040), (31, 26055320), (40, 20192873), (46, 17559020), (62, 13027660), (92, 8779510), (115, 7023608), (124, 6513830), (127, 6359960), (155, 5211064), (184, 4389755), (223, 3622040), (230, 3511804), (248, 3256915), (254, 3179980), (310, 2605532), (446, 1811020), (460, 1755902), (508, 1589990), (620, 1302766), (635, 1271992), (713, 1132840), (892, 905510), (920, 877951), (1016, 794995), (1115, 724408), (1240, 651383), (1270, 635996), (1426, 566420), (1784, 452755), (2230, 362204), (2540, 317998), (2852, 283210), (2921, 276520), (3565, 226568), (3937, 205160), (4460, 181102), (5080, 158999), (5129, 157480), (5704, 141605), (5842, 138260), (6913, 116840), (7130, 113284), (7874, 102580), (8920, 90551), (10258, 78740), (11684, 69130), (13826, 58420), (14260, 56642), (14605, 55304), (15748, 51290), (19685, 41032), (20516, 39370), (23368, 34565), (25645, 31496), (27652, 29210), (28321, 28520)]