1781280144

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{252449}}^1$

素因数の和:252477

約数の個数: 90

約数和(自身を含む): 5799028950

約数和(自身を除く): 4017748806

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 84, 98, 112, 126, 144, 147, 168, 196, 252, 294, 336, 392, 441, 504, 588, 784, 882, 1008, 1176, 1764, 2352, 3528, 7056, 252449, 504898, 757347, 1009796, 1514694, 1767143, 2019592, 2272041, 3029388, 3534286, 4039184, 4544082, 5301429, 6058776, 7068572, 9088164, 10602858, 12117552, 12370001, 14137144, 15904287, 18176328, 21205716, 24740002, 28274288, 31808574, 36352656, 37110003, 42411432, 49480004, 63617148, 74220006, 84822864, 98960008, 111330009, 127234296, 148440012, 197920016, 222660018, 254468592, 296880024, 445320036, 593760048, 890640072, 1781280144]

約数ペア:

[(1, 1781280144), (2, 890640072), (3, 593760048), (4, 445320036), (6, 296880024), (7, 254468592), (8, 222660018), (9, 197920016), (12, 148440012), (14, 127234296), (16, 111330009), (18, 98960008), (21, 84822864), (24, 74220006), (28, 63617148), (36, 49480004), (42, 42411432), (48, 37110003), (49, 36352656), (56, 31808574), (63, 28274288), (72, 24740002), (84, 21205716), (98, 18176328), (112, 15904287), (126, 14137144), (144, 12370001), (147, 12117552), (168, 10602858), (196, 9088164), (252, 7068572), (294, 6058776), (336, 5301429), (392, 4544082), (441, 4039184), (504, 3534286), (588, 3029388), (784, 2272041), (882, 2019592), (1008, 1767143), (1176, 1514694), (1764, 1009796), (2352, 757347), (3528, 504898), (7056, 252449)]