25826220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:324

約数の個数: 144

約数和(自身を含む): 90854400

約数和(自身を除く): 65028180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 103, 105, 126, 140, 180, 199, 206, 210, 252, 309, 315, 398, 412, 420, 515, 597, 618, 630, 721, 796, 927, 995, 1030, 1194, 1236, 1260, 1393, 1442, 1545, 1791, 1854, 1990, 2060, 2163, 2388, 2786, 2884, 2985, 3090, 3582, 3605, 3708, 3980, 4179, 4326, 4635, 5572, 5970, 6180, 6489, 6965, 7164, 7210, 8358, 8652, 8955, 9270, 10815, 11940, 12537, 12978, 13930, 14420, 16716, 17910, 18540, 20497, 20895, 21630, 25074, 25956, 27860, 32445, 35820, 40994, 41790, 43260, 50148, 61491, 62685, 64890, 81988, 83580, 102485, 122982, 125370, 129780, 143479, 184473, 204970, 245964, 250740, 286958, 307455, 368946, 409940, 430437, 573916, 614910, 717395, 737892, 860874, 922365, 1229820, 1291311, 1434790, 1721748, 1844730, 2152185, 2582622, 2869580, 3689460, 4304370, 5165244, 6456555, 8608740, 12913110, 25826220]

約数ペア:

[(1, 25826220), (2, 12913110), (3, 8608740), (4, 6456555), (5, 5165244), (6, 4304370), (7, 3689460), (9, 2869580), (10, 2582622), (12, 2152185), (14, 1844730), (15, 1721748), (18, 1434790), (20, 1291311), (21, 1229820), (28, 922365), (30, 860874), (35, 737892), (36, 717395), (42, 614910), (45, 573916), (60, 430437), (63, 409940), (70, 368946), (84, 307455), (90, 286958), (103, 250740), (105, 245964), (126, 204970), (140, 184473), (180, 143479), (199, 129780), (206, 125370), (210, 122982), (252, 102485), (309, 83580), (315, 81988), (398, 64890), (412, 62685), (420, 61491), (515, 50148), (597, 43260), (618, 41790), (630, 40994), (721, 35820), (796, 32445), (927, 27860), (995, 25956), (1030, 25074), (1194, 21630), (1236, 20895), (1260, 20497), (1393, 18540), (1442, 17910), (1545, 16716), (1791, 14420), (1854, 13930), (1990, 12978), (2060, 12537), (2163, 11940), (2388, 10815), (2786, 9270), (2884, 8955), (2985, 8652), (3090, 8358), (3582, 7210), (3605, 7164), (3708, 6965), (3980, 6489), (4179, 6180), (4326, 5970), (4635, 5572)]