254334240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{739}}^1$

素因数の和:999

約数の個数: 144

約数和(自身を含む): 872726400

約数和(自身を除く): 618392160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 239, 240, 288, 360, 478, 480, 717, 720, 739, 956, 1195, 1434, 1440, 1478, 1912, 2151, 2217, 2390, 2868, 2956, 3585, 3695, 3824, 4302, 4434, 4780, 5736, 5912, 6651, 7170, 7390, 7648, 8604, 8868, 9560, 10755, 11085, 11472, 11824, 13302, 14340, 14780, 17208, 17736, 19120, 21510, 22170, 22944, 23648, 26604, 28680, 29560, 33255, 34416, 35472, 38240, 43020, 44340, 53208, 57360, 59120, 66510, 68832, 70944, 86040, 88680, 106416, 114720, 118240, 133020, 172080, 176621, 177360, 212832, 266040, 344160, 353242, 354720, 529863, 532080, 706484, 883105, 1059726, 1064160, 1412968, 1589589, 1766210, 2119452, 2649315, 2825936, 3179178, 3532420, 4238904, 5298630, 5651872, 6358356, 7064840, 7947945, 8477808, 10597260, 12716712, 14129680, 15895890, 16955616, 21194520, 25433424, 28259360, 31791780, 42389040, 50866848, 63583560, 84778080, 127167120, 254334240]

約数ペア:

[(1, 254334240), (2, 127167120), (3, 84778080), (4, 63583560), (5, 50866848), (6, 42389040), (8, 31791780), (9, 28259360), (10, 25433424), (12, 21194520), (15, 16955616), (16, 15895890), (18, 14129680), (20, 12716712), (24, 10597260), (30, 8477808), (32, 7947945), (36, 7064840), (40, 6358356), (45, 5651872), (48, 5298630), (60, 4238904), (72, 3532420), (80, 3179178), (90, 2825936), (96, 2649315), (120, 2119452), (144, 1766210), (160, 1589589), (180, 1412968), (239, 1064160), (240, 1059726), (288, 883105), (360, 706484), (478, 532080), (480, 529863), (717, 354720), (720, 353242), (739, 344160), (956, 266040), (1195, 212832), (1434, 177360), (1440, 176621), (1478, 172080), (1912, 133020), (2151, 118240), (2217, 114720), (2390, 106416), (2868, 88680), (2956, 86040), (3585, 70944), (3695, 68832), (3824, 66510), (4302, 59120), (4434, 57360), (4780, 53208), (5736, 44340), (5912, 43020), (6651, 38240), (7170, 35472), (7390, 34416), (7648, 33255), (8604, 29560), (8868, 28680), (9560, 26604), (10755, 23648), (11085, 22944), (11472, 22170), (11824, 21510), (13302, 19120), (14340, 17736), (14780, 17208)]