318444880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2411}}^1$

素因数の和:2564

約数の個数: 80

約数和(自身を含む): 803948544

約数和(自身を除く): 485503664

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 127, 130, 208, 254, 260, 508, 520, 635, 1016, 1040, 1270, 1651, 2032, 2411, 2540, 3302, 4822, 5080, 6604, 8255, 9644, 10160, 12055, 13208, 16510, 19288, 24110, 26416, 31343, 33020, 38576, 48220, 62686, 66040, 96440, 125372, 132080, 156715, 192880, 250744, 306197, 313430, 501488, 612394, 626860, 1224788, 1253720, 1530985, 2449576, 2507440, 3061970, 3980561, 4899152, 6123940, 7961122, 12247880, 15922244, 19902805, 24495760, 31844488, 39805610, 63688976, 79611220, 159222440, 318444880]

約数ペア:

[(1, 318444880), (2, 159222440), (4, 79611220), (5, 63688976), (8, 39805610), (10, 31844488), (13, 24495760), (16, 19902805), (20, 15922244), (26, 12247880), (40, 7961122), (52, 6123940), (65, 4899152), (80, 3980561), (104, 3061970), (127, 2507440), (130, 2449576), (208, 1530985), (254, 1253720), (260, 1224788), (508, 626860), (520, 612394), (635, 501488), (1016, 313430), (1040, 306197), (1270, 250744), (1651, 192880), (2032, 156715), (2411, 132080), (2540, 125372), (3302, 96440), (4822, 66040), (5080, 62686), (6604, 48220), (8255, 38576), (9644, 33020), (10160, 31343), (12055, 26416), (13208, 24110), (16510, 19288)]