8405280

素因数分解:

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

素因数の和:483

約数の個数: 144

約数和(自身を含む): 30958200

約数和(自身を除く): 22552920

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, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 449, 468, 480, 520, 585, 624, 720, 780, 898, 936, 1040, 1170, 1248, 1347, 1440, 1560, 1796, 1872, 2080, 2245, 2340, 2694, 3120, 3592, 3744, 4041, 4490, 4680, 5388, 5837, 6240, 6735, 7184, 8082, 8980, 9360, 10776, 11674, 13470, 14368, 16164, 17511, 17960, 18720, 20205, 21552, 23348, 26940, 29185, 32328, 35022, 35920, 40410, 43104, 46696, 52533, 53880, 58370, 64656, 70044, 71840, 80820, 87555, 93392, 105066, 107760, 116740, 129312, 140088, 161640, 175110, 186784, 210132, 215520, 233480, 262665, 280176, 323280, 350220, 420264, 466960, 525330, 560352, 646560, 700440, 840528, 933920, 1050660, 1400880, 1681056, 2101320, 2801760, 4202640, 8405280]

約数ペア:

[(1, 8405280), (2, 4202640), (3, 2801760), (4, 2101320), (5, 1681056), (6, 1400880), (8, 1050660), (9, 933920), (10, 840528), (12, 700440), (13, 646560), (15, 560352), (16, 525330), (18, 466960), (20, 420264), (24, 350220), (26, 323280), (30, 280176), (32, 262665), (36, 233480), (39, 215520), (40, 210132), (45, 186784), (48, 175110), (52, 161640), (60, 140088), (65, 129312), (72, 116740), (78, 107760), (80, 105066), (90, 93392), (96, 87555), (104, 80820), (117, 71840), (120, 70044), (130, 64656), (144, 58370), (156, 53880), (160, 52533), (180, 46696), (195, 43104), (208, 40410), (234, 35920), (240, 35022), (260, 32328), (288, 29185), (312, 26940), (360, 23348), (390, 21552), (416, 20205), (449, 18720), (468, 17960), (480, 17511), (520, 16164), (585, 14368), (624, 13470), (720, 11674), (780, 10776), (898, 9360), (936, 8980), (1040, 8082), (1170, 7184), (1248, 6735), (1347, 6240), (1440, 5837), (1560, 5388), (1796, 4680), (1872, 4490), (2080, 4041), (2245, 3744), (2340, 3592), (2694, 3120)]