25215840

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1$

素因数の和:486

約数の個数: 192

約数和(自身を含む): 95256000

約数和(自身を除く): 70040160

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, 449, 468, 480, 520, 540, 585, 624, 702, 720, 780, 864, 898, 936, 1040, 1080, 1170, 1248, 1347, 1404, 1440, 1560, 1755, 1796, 1872, 2080, 2160, 2245, 2340, 2694, 2808, 3120, 3510, 3592, 3744, 4041, 4320, 4490, 4680, 5388, 5616, 5837, 6240, 6735, 7020, 7184, 8082, 8980, 9360, 10776, 11232, 11674, 12123, 13470, 14040, 14368, 16164, 17511, 17960, 18720, 20205, 21552, 23348, 24246, 26940, 28080, 29185, 32328, 35022, 35920, 40410, 43104, 46696, 48492, 52533, 53880, 56160, 58370, 60615, 64656, 70044, 71840, 80820, 87555, 93392, 96984, 105066, 107760, 116740, 121230, 129312, 140088, 157599, 161640, 175110, 186784, 193968, 210132, 215520, 233480, 242460, 262665, 280176, 315198, 323280, 350220, 387936, 420264, 466960, 484920, 525330, 560352, 630396, 646560, 700440, 787995, 840528, 933920, 969840, 1050660, 1260792, 1400880, 1575990, 1681056, 1939680, 2101320, 2521584, 2801760, 3151980, 4202640, 5043168, 6303960, 8405280, 12607920, 25215840]

約数ペア:

[(1, 25215840), (2, 12607920), (3, 8405280), (4, 6303960), (5, 5043168), (6, 4202640), (8, 3151980), (9, 2801760), (10, 2521584), (12, 2101320), (13, 1939680), (15, 1681056), (16, 1575990), (18, 1400880), (20, 1260792), (24, 1050660), (26, 969840), (27, 933920), (30, 840528), (32, 787995), (36, 700440), (39, 646560), (40, 630396), (45, 560352), (48, 525330), (52, 484920), (54, 466960), (60, 420264), (65, 387936), (72, 350220), (78, 323280), (80, 315198), (90, 280176), (96, 262665), (104, 242460), (108, 233480), (117, 215520), (120, 210132), (130, 193968), (135, 186784), (144, 175110), (156, 161640), (160, 157599), (180, 140088), (195, 129312), (208, 121230), (216, 116740), (234, 107760), (240, 105066), (260, 96984), (270, 93392), (288, 87555), (312, 80820), (351, 71840), (360, 70044), (390, 64656), (416, 60615), (432, 58370), (449, 56160), (468, 53880), (480, 52533), (520, 48492), (540, 46696), (585, 43104), (624, 40410), (702, 35920), (720, 35022), (780, 32328), (864, 29185), (898, 28080), (936, 26940), (1040, 24246), (1080, 23348), (1170, 21552), (1248, 20205), (1347, 18720), (1404, 17960), (1440, 17511), (1560, 16164), (1755, 14368), (1796, 14040), (1872, 13470), (2080, 12123), (2160, 11674), (2245, 11232), (2340, 10776), (2694, 9360), (2808, 8980), (3120, 8082), (3510, 7184), (3592, 7020), (3744, 6735), (4041, 6240), (4320, 5837), (4490, 5616), (4680, 5388)]