1287872280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{17977}}^1$

素因数の和:18193

約数の個数: 96

約数和(自身を含む): 4206852000

約数和(自身を除く): 2918979720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 199, 360, 398, 597, 796, 995, 1194, 1592, 1791, 1990, 2388, 2985, 3582, 3980, 4776, 5970, 7164, 7960, 8955, 11940, 14328, 17910, 17977, 23880, 35820, 35954, 53931, 71640, 71908, 89885, 107862, 143816, 161793, 179770, 215724, 269655, 323586, 359540, 431448, 539310, 647172, 719080, 808965, 1078620, 1294344, 1617930, 2157240, 3235860, 3577423, 6471720, 7154846, 10732269, 14309692, 17887115, 21464538, 28619384, 32196807, 35774230, 42929076, 53661345, 64393614, 71548460, 85858152, 107322690, 128787228, 143096920, 160984035, 214645380, 257574456, 321968070, 429290760, 643936140, 1287872280]

約数ペア:

[(1, 1287872280), (2, 643936140), (3, 429290760), (4, 321968070), (5, 257574456), (6, 214645380), (8, 160984035), (9, 143096920), (10, 128787228), (12, 107322690), (15, 85858152), (18, 71548460), (20, 64393614), (24, 53661345), (30, 42929076), (36, 35774230), (40, 32196807), (45, 28619384), (60, 21464538), (72, 17887115), (90, 14309692), (120, 10732269), (180, 7154846), (199, 6471720), (360, 3577423), (398, 3235860), (597, 2157240), (796, 1617930), (995, 1294344), (1194, 1078620), (1592, 808965), (1791, 719080), (1990, 647172), (2388, 539310), (2985, 431448), (3582, 359540), (3980, 323586), (4776, 269655), (5970, 215724), (7164, 179770), (7960, 161793), (8955, 143816), (11940, 107862), (14328, 89885), (17910, 71908), (17977, 71640), (23880, 53931), (35820, 35954)]