901324720

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{547}}^1$

素因数の和:1082

約数の個数: 80

約数和(自身を含む): 2152719360

約数和(自身を除く): 1251394640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 479, 547, 688, 860, 958, 1094, 1720, 1916, 2188, 2395, 2735, 3440, 3832, 4376, 4790, 5470, 7664, 8752, 9580, 10940, 19160, 20597, 21880, 23521, 38320, 41194, 43760, 47042, 82388, 94084, 102985, 117605, 164776, 188168, 205970, 235210, 262013, 329552, 376336, 411940, 470420, 524026, 823880, 940840, 1048052, 1310065, 1647760, 1881680, 2096104, 2620130, 4192208, 5240260, 10480520, 11266559, 20961040, 22533118, 45066236, 56332795, 90132472, 112665590, 180264944, 225331180, 450662360, 901324720]

約数ペア:

[(1, 901324720), (2, 450662360), (4, 225331180), (5, 180264944), (8, 112665590), (10, 90132472), (16, 56332795), (20, 45066236), (40, 22533118), (43, 20961040), (80, 11266559), (86, 10480520), (172, 5240260), (215, 4192208), (344, 2620130), (430, 2096104), (479, 1881680), (547, 1647760), (688, 1310065), (860, 1048052), (958, 940840), (1094, 823880), (1720, 524026), (1916, 470420), (2188, 411940), (2395, 376336), (2735, 329552), (3440, 262013), (3832, 235210), (4376, 205970), (4790, 188168), (5470, 164776), (7664, 117605), (8752, 102985), (9580, 94084), (10940, 82388), (19160, 47042), (20597, 43760), (21880, 41194), (23521, 38320)]