84080080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:357

約数の個数: 120

約数和(自身を含む): 230911560

約数和(自身を除く): 146831480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 89, 98, 112, 140, 178, 196, 241, 245, 280, 356, 392, 445, 482, 490, 560, 623, 712, 784, 890, 964, 980, 1205, 1246, 1424, 1687, 1780, 1928, 1960, 2410, 2492, 3115, 3374, 3560, 3856, 3920, 4361, 4820, 4984, 6230, 6748, 7120, 8435, 8722, 9640, 9968, 11809, 12460, 13496, 16870, 17444, 19280, 21449, 21805, 23618, 24920, 26992, 33740, 34888, 42898, 43610, 47236, 49840, 59045, 67480, 69776, 85796, 87220, 94472, 107245, 118090, 134960, 150143, 171592, 174440, 188944, 214490, 236180, 300286, 343184, 348880, 428980, 472360, 600572, 750715, 857960, 944720, 1051001, 1201144, 1501430, 1715920, 2102002, 2402288, 3002860, 4204004, 5255005, 6005720, 8408008, 10510010, 12011440, 16816016, 21020020, 42040040, 84080080]

約数ペア:

[(1, 84080080), (2, 42040040), (4, 21020020), (5, 16816016), (7, 12011440), (8, 10510010), (10, 8408008), (14, 6005720), (16, 5255005), (20, 4204004), (28, 3002860), (35, 2402288), (40, 2102002), (49, 1715920), (56, 1501430), (70, 1201144), (80, 1051001), (89, 944720), (98, 857960), (112, 750715), (140, 600572), (178, 472360), (196, 428980), (241, 348880), (245, 343184), (280, 300286), (356, 236180), (392, 214490), (445, 188944), (482, 174440), (490, 171592), (560, 150143), (623, 134960), (712, 118090), (784, 107245), (890, 94472), (964, 87220), (980, 85796), (1205, 69776), (1246, 67480), (1424, 59045), (1687, 49840), (1780, 47236), (1928, 43610), (1960, 42898), (2410, 34888), (2492, 33740), (3115, 26992), (3374, 24920), (3560, 23618), (3856, 21805), (3920, 21449), (4361, 19280), (4820, 17444), (4984, 16870), (6230, 13496), (6748, 12460), (7120, 11809), (8435, 9968), (8722, 9640)]