256482720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4567}}^1$

素因数の和:4604

約数の個数: 192

約数和(自身を含む): 966954240

約数和(自身を除く): 710471520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 195, 208, 216, 234, 240, 260, 270, 288, 312, 351, 360, 390, 416, 432, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 936, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1755, 1872, 2080, 2160, 2340, 2808, 3120, 3510, 3744, 4320, 4567, 4680, 5616, 6240, 7020, 9134, 9360, 11232, 13701, 14040, 18268, 18720, 22835, 27402, 28080, 36536, 41103, 45670, 54804, 56160, 59371, 68505, 73072, 82206, 91340, 109608, 118742, 123309, 137010, 146144, 164412, 178113, 182680, 205515, 219216, 237484, 246618, 274020, 296855, 328824, 356226, 365360, 411030, 438432, 474968, 493236, 534339, 548040, 593710, 616545, 657648, 712452, 730720, 822060, 890565, 949936, 986472, 1068678, 1096080, 1187420, 1233090, 1315296, 1424904, 1603017, 1644120, 1781130, 1899872, 1972944, 2137356, 2192160, 2374840, 2466180, 2671695, 2849808, 3206034, 3288240, 3562260, 3945888, 4274712, 4749680, 4932360, 5343390, 5699616, 6412068, 6576480, 7124520, 8015085, 8549424, 9499360, 9864720, 10686780, 12824136, 14249040, 16030170, 17098848, 19729440, 21373560, 25648272, 28498080, 32060340, 42747120, 51296544, 64120680, 85494240, 128241360, 256482720]

約数ペア:

[(1, 256482720), (2, 128241360), (3, 85494240), (4, 64120680), (5, 51296544), (6, 42747120), (8, 32060340), (9, 28498080), (10, 25648272), (12, 21373560), (13, 19729440), (15, 17098848), (16, 16030170), (18, 14249040), (20, 12824136), (24, 10686780), (26, 9864720), (27, 9499360), (30, 8549424), (32, 8015085), (36, 7124520), (39, 6576480), (40, 6412068), (45, 5699616), (48, 5343390), (52, 4932360), (54, 4749680), (60, 4274712), (65, 3945888), (72, 3562260), (78, 3288240), (80, 3206034), (90, 2849808), (96, 2671695), (104, 2466180), (108, 2374840), (117, 2192160), (120, 2137356), (130, 1972944), (135, 1899872), (144, 1781130), (156, 1644120), (160, 1603017), (180, 1424904), (195, 1315296), (208, 1233090), (216, 1187420), (234, 1096080), (240, 1068678), (260, 986472), (270, 949936), (288, 890565), (312, 822060), (351, 730720), (360, 712452), (390, 657648), (416, 616545), (432, 593710), (468, 548040), (480, 534339), (520, 493236), (540, 474968), (585, 438432), (624, 411030), (702, 365360), (720, 356226), (780, 328824), (864, 296855), (936, 274020), (1040, 246618), (1080, 237484), (1170, 219216), (1248, 205515), (1404, 182680), (1440, 178113), (1560, 164412), (1755, 146144), (1872, 137010), (2080, 123309), (2160, 118742), (2340, 109608), (2808, 91340), (3120, 82206), (3510, 73072), (3744, 68505), (4320, 59371), (4567, 56160), (4680, 54804), (5616, 45670), (6240, 41103), (7020, 36536), (9134, 28080), (9360, 27402), (11232, 22835), (13701, 18720), (14040, 18268)]