255456720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:770

約数の個数: 160

約数和(自身を含む): 885479040

約数和(自身を除く): 630022320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 227, 240, 270, 360, 432, 454, 521, 540, 681, 720, 908, 1042, 1080, 1135, 1362, 1563, 1816, 2043, 2084, 2160, 2270, 2605, 2724, 3126, 3405, 3632, 4086, 4168, 4540, 4689, 5210, 5448, 6129, 6252, 6810, 7815, 8172, 8336, 9080, 9378, 10215, 10420, 10896, 12258, 12504, 13620, 14067, 15630, 16344, 18160, 18756, 20430, 20840, 23445, 24516, 25008, 27240, 28134, 30645, 31260, 32688, 37512, 40860, 41680, 46890, 49032, 54480, 56268, 61290, 62520, 70335, 75024, 81720, 93780, 98064, 112536, 118267, 122580, 125040, 140670, 163440, 187560, 225072, 236534, 245160, 281340, 354801, 375120, 473068, 490320, 562680, 591335, 709602, 946136, 1064403, 1125360, 1182670, 1419204, 1774005, 1892272, 2128806, 2365340, 2838408, 3193209, 3548010, 4257612, 4730680, 5322015, 5676816, 6386418, 7096020, 8515224, 9461360, 10644030, 12772836, 14192040, 15966045, 17030448, 21288060, 25545672, 28384080, 31932090, 42576120, 51091344, 63864180, 85152240, 127728360, 255456720]

約数ペア:

[(1, 255456720), (2, 127728360), (3, 85152240), (4, 63864180), (5, 51091344), (6, 42576120), (8, 31932090), (9, 28384080), (10, 25545672), (12, 21288060), (15, 17030448), (16, 15966045), (18, 14192040), (20, 12772836), (24, 10644030), (27, 9461360), (30, 8515224), (36, 7096020), (40, 6386418), (45, 5676816), (48, 5322015), (54, 4730680), (60, 4257612), (72, 3548010), (80, 3193209), (90, 2838408), (108, 2365340), (120, 2128806), (135, 1892272), (144, 1774005), (180, 1419204), (216, 1182670), (227, 1125360), (240, 1064403), (270, 946136), (360, 709602), (432, 591335), (454, 562680), (521, 490320), (540, 473068), (681, 375120), (720, 354801), (908, 281340), (1042, 245160), (1080, 236534), (1135, 225072), (1362, 187560), (1563, 163440), (1816, 140670), (2043, 125040), (2084, 122580), (2160, 118267), (2270, 112536), (2605, 98064), (2724, 93780), (3126, 81720), (3405, 75024), (3632, 70335), (4086, 62520), (4168, 61290), (4540, 56268), (4689, 54480), (5210, 49032), (5448, 46890), (6129, 41680), (6252, 40860), (6810, 37512), (7815, 32688), (8172, 31260), (8336, 30645), (9080, 28134), (9378, 27240), (10215, 25008), (10420, 24516), (10896, 23445), (12258, 20840), (12504, 20430), (13620, 18756), (14067, 18160), (15630, 16344)]