131451840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3511}}^1$

素因数の和:3547

約数の個数: 168

約数和(自身を含む): 487058208

約数和(自身を除く): 355606368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 64, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 192, 195, 208, 234, 240, 260, 288, 312, 320, 360, 390, 416, 468, 480, 520, 576, 585, 624, 720, 780, 832, 936, 960, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 2496, 2880, 3120, 3511, 3744, 4160, 4680, 6240, 7022, 7488, 9360, 10533, 12480, 14044, 17555, 18720, 21066, 28088, 31599, 35110, 37440, 42132, 45643, 52665, 56176, 63198, 70220, 84264, 91286, 105330, 112352, 126396, 136929, 140440, 157995, 168528, 182572, 210660, 224704, 228215, 252792, 273858, 280880, 315990, 337056, 365144, 410787, 421320, 456430, 505584, 547716, 561760, 631980, 674112, 684645, 730288, 821574, 842640, 912860, 1011168, 1095432, 1123520, 1263960, 1369290, 1460576, 1643148, 1685280, 1825720, 2022336, 2053935, 2190864, 2527920, 2738580, 2921152, 3286296, 3370560, 3651440, 4107870, 4381728, 5055840, 5477160, 6572592, 7302880, 8215740, 8763456, 10111680, 10954320, 13145184, 14605760, 16431480, 21908640, 26290368, 32862960, 43817280, 65725920, 131451840]

約数ペア:

[(1, 131451840), (2, 65725920), (3, 43817280), (4, 32862960), (5, 26290368), (6, 21908640), (8, 16431480), (9, 14605760), (10, 13145184), (12, 10954320), (13, 10111680), (15, 8763456), (16, 8215740), (18, 7302880), (20, 6572592), (24, 5477160), (26, 5055840), (30, 4381728), (32, 4107870), (36, 3651440), (39, 3370560), (40, 3286296), (45, 2921152), (48, 2738580), (52, 2527920), (60, 2190864), (64, 2053935), (65, 2022336), (72, 1825720), (78, 1685280), (80, 1643148), (90, 1460576), (96, 1369290), (104, 1263960), (117, 1123520), (120, 1095432), (130, 1011168), (144, 912860), (156, 842640), (160, 821574), (180, 730288), (192, 684645), (195, 674112), (208, 631980), (234, 561760), (240, 547716), (260, 505584), (288, 456430), (312, 421320), (320, 410787), (360, 365144), (390, 337056), (416, 315990), (468, 280880), (480, 273858), (520, 252792), (576, 228215), (585, 224704), (624, 210660), (720, 182572), (780, 168528), (832, 157995), (936, 140440), (960, 136929), (1040, 126396), (1170, 112352), (1248, 105330), (1440, 91286), (1560, 84264), (1872, 70220), (2080, 63198), (2340, 56176), (2496, 52665), (2880, 45643), (3120, 42132), (3511, 37440), (3744, 35110), (4160, 31599), (4680, 28088), (6240, 21066), (7022, 18720), (7488, 17555), (9360, 14044), (10533, 12480)]