128665440

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{449}}^1$

素因数の和:669

約数の個数: 144

約数和(自身を含む): 442260000

約数和(自身を除く): 313594560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 199, 240, 288, 360, 398, 449, 480, 597, 720, 796, 898, 995, 1194, 1347, 1440, 1592, 1791, 1796, 1990, 2245, 2388, 2694, 2985, 3184, 3582, 3592, 3980, 4041, 4490, 4776, 5388, 5970, 6368, 6735, 7164, 7184, 7960, 8082, 8955, 8980, 9552, 10776, 11940, 13470, 14328, 14368, 15920, 16164, 17910, 17960, 19104, 20205, 21552, 23880, 26940, 28656, 31840, 32328, 35820, 35920, 40410, 43104, 47760, 53880, 57312, 64656, 71640, 71840, 80820, 89351, 95520, 107760, 129312, 143280, 161640, 178702, 215520, 268053, 286560, 323280, 357404, 446755, 536106, 646560, 714808, 804159, 893510, 1072212, 1340265, 1429616, 1608318, 1787020, 2144424, 2680530, 2859232, 3216636, 3574040, 4020795, 4288848, 5361060, 6433272, 7148080, 8041590, 8577696, 10722120, 12866544, 14296160, 16083180, 21444240, 25733088, 32166360, 42888480, 64332720, 128665440]

約数ペア:

[(1, 128665440), (2, 64332720), (3, 42888480), (4, 32166360), (5, 25733088), (6, 21444240), (8, 16083180), (9, 14296160), (10, 12866544), (12, 10722120), (15, 8577696), (16, 8041590), (18, 7148080), (20, 6433272), (24, 5361060), (30, 4288848), (32, 4020795), (36, 3574040), (40, 3216636), (45, 2859232), (48, 2680530), (60, 2144424), (72, 1787020), (80, 1608318), (90, 1429616), (96, 1340265), (120, 1072212), (144, 893510), (160, 804159), (180, 714808), (199, 646560), (240, 536106), (288, 446755), (360, 357404), (398, 323280), (449, 286560), (480, 268053), (597, 215520), (720, 178702), (796, 161640), (898, 143280), (995, 129312), (1194, 107760), (1347, 95520), (1440, 89351), (1592, 80820), (1791, 71840), (1796, 71640), (1990, 64656), (2245, 57312), (2388, 53880), (2694, 47760), (2985, 43104), (3184, 40410), (3582, 35920), (3592, 35820), (3980, 32328), (4041, 31840), (4490, 28656), (4776, 26940), (5388, 23880), (5970, 21552), (6368, 20205), (6735, 19104), (7164, 17960), (7184, 17910), (7960, 16164), (8082, 15920), (8955, 14368), (8980, 14328), (9552, 13470), (10776, 11940)]