254525760

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:446

約数の個数: 224

約数和(自身を含む): 910742400

約数和(自身を除く): 656216640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 89, 90, 96, 108, 120, 135, 144, 160, 178, 180, 192, 216, 240, 267, 270, 288, 320, 331, 356, 360, 432, 445, 480, 534, 540, 576, 662, 712, 720, 801, 864, 890, 960, 993, 1068, 1080, 1324, 1335, 1424, 1440, 1602, 1655, 1728, 1780, 1986, 2136, 2160, 2403, 2648, 2670, 2848, 2880, 2979, 3204, 3310, 3560, 3972, 4005, 4272, 4320, 4806, 4965, 5296, 5340, 5696, 5958, 6408, 6620, 7120, 7944, 8010, 8544, 8640, 8937, 9612, 9930, 10592, 10680, 11916, 12015, 12816, 13240, 14240, 14895, 15888, 16020, 17088, 17874, 19224, 19860, 21184, 21360, 23832, 24030, 25632, 26480, 28480, 29459, 29790, 31776, 32040, 35748, 38448, 39720, 42720, 44685, 47664, 48060, 51264, 52960, 58918, 59580, 63552, 64080, 71496, 76896, 79440, 85440, 88377, 89370, 95328, 96120, 105920, 117836, 119160, 128160, 142992, 147295, 153792, 158880, 176754, 178740, 190656, 192240, 235672, 238320, 256320, 265131, 285984, 294590, 317760, 353508, 357480, 384480, 441885, 471344, 476640, 530262, 571968, 589180, 707016, 714960, 768960, 795393, 883770, 942688, 953280, 1060524, 1178360, 1325655, 1414032, 1429920, 1590786, 1767540, 1885376, 2121048, 2356720, 2651310, 2828064, 2859840, 3181572, 3535080, 3976965, 4242096, 4713440, 5302620, 5656128, 6363144, 7070160, 7953930, 8484192, 9426880, 10605240, 12726288, 14140320, 15907860, 16968384, 21210480, 25452576, 28280640, 31815720, 42420960, 50905152, 63631440, 84841920, 127262880, 254525760]

約数ペア:

[(1, 254525760), (2, 127262880), (3, 84841920), (4, 63631440), (5, 50905152), (6, 42420960), (8, 31815720), (9, 28280640), (10, 25452576), (12, 21210480), (15, 16968384), (16, 15907860), (18, 14140320), (20, 12726288), (24, 10605240), (27, 9426880), (30, 8484192), (32, 7953930), (36, 7070160), (40, 6363144), (45, 5656128), (48, 5302620), (54, 4713440), (60, 4242096), (64, 3976965), (72, 3535080), (80, 3181572), (89, 2859840), (90, 2828064), (96, 2651310), (108, 2356720), (120, 2121048), (135, 1885376), (144, 1767540), (160, 1590786), (178, 1429920), (180, 1414032), (192, 1325655), (216, 1178360), (240, 1060524), (267, 953280), (270, 942688), (288, 883770), (320, 795393), (331, 768960), (356, 714960), (360, 707016), (432, 589180), (445, 571968), (480, 530262), (534, 476640), (540, 471344), (576, 441885), (662, 384480), (712, 357480), (720, 353508), (801, 317760), (864, 294590), (890, 285984), (960, 265131), (993, 256320), (1068, 238320), (1080, 235672), (1324, 192240), (1335, 190656), (1424, 178740), (1440, 176754), (1602, 158880), (1655, 153792), (1728, 147295), (1780, 142992), (1986, 128160), (2136, 119160), (2160, 117836), (2403, 105920), (2648, 96120), (2670, 95328), (2848, 89370), (2880, 88377), (2979, 85440), (3204, 79440), (3310, 76896), (3560, 71496), (3972, 64080), (4005, 63552), (4272, 59580), (4320, 58918), (4806, 52960), (4965, 51264), (5296, 48060), (5340, 47664), (5696, 44685), (5958, 42720), (6408, 39720), (6620, 38448), (7120, 35748), (7944, 32040), (8010, 31776), (8544, 29790), (8640, 29459), (8937, 28480), (9612, 26480), (9930, 25632), (10592, 24030), (10680, 23832), (11916, 21360), (12015, 21184), (12816, 19860), (13240, 19224), (14240, 17874), (14895, 17088), (15888, 16020)]