80872008

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 128

約数和(自身を含む): 241920000

約数和(自身を除く): 161047992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 59, 82, 84, 118, 123, 164, 168, 177, 199, 236, 246, 287, 328, 354, 398, 413, 472, 492, 574, 597, 708, 796, 826, 861, 984, 1148, 1194, 1239, 1393, 1416, 1592, 1652, 1722, 2296, 2388, 2419, 2478, 2786, 3304, 3444, 4179, 4776, 4838, 4956, 5572, 6888, 7257, 8159, 8358, 9676, 9912, 11144, 11741, 14514, 16318, 16716, 16933, 19352, 23482, 24477, 29028, 32636, 33432, 33866, 35223, 46964, 48954, 50799, 57113, 58056, 65272, 67732, 70446, 82187, 93928, 97908, 101598, 114226, 135464, 140892, 164374, 171339, 195816, 203196, 228452, 246561, 281784, 328748, 342678, 406392, 456904, 481381, 493122, 657496, 685356, 962762, 986244, 1370712, 1444143, 1925524, 1972488, 2888286, 3369667, 3851048, 5776572, 6739334, 10109001, 11553144, 13478668, 20218002, 26957336, 40436004, 80872008]

約数ペア:

[(1, 80872008), (2, 40436004), (3, 26957336), (4, 20218002), (6, 13478668), (7, 11553144), (8, 10109001), (12, 6739334), (14, 5776572), (21, 3851048), (24, 3369667), (28, 2888286), (41, 1972488), (42, 1925524), (56, 1444143), (59, 1370712), (82, 986244), (84, 962762), (118, 685356), (123, 657496), (164, 493122), (168, 481381), (177, 456904), (199, 406392), (236, 342678), (246, 328748), (287, 281784), (328, 246561), (354, 228452), (398, 203196), (413, 195816), (472, 171339), (492, 164374), (574, 140892), (597, 135464), (708, 114226), (796, 101598), (826, 97908), (861, 93928), (984, 82187), (1148, 70446), (1194, 67732), (1239, 65272), (1393, 58056), (1416, 57113), (1592, 50799), (1652, 48954), (1722, 46964), (2296, 35223), (2388, 33866), (2419, 33432), (2478, 32636), (2786, 29028), (3304, 24477), (3444, 23482), (4179, 19352), (4776, 16933), (4838, 16716), (4956, 16318), (5572, 14514), (6888, 11741), (7257, 11144), (8159, 9912), (8358, 9676)]