171471520

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:575

約数の個数: 144

約数和(自身を含む): 472374504

約数和(自身を除く): 300902984

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 68, 80, 85, 88, 110, 121, 136, 160, 170, 176, 187, 220, 242, 272, 340, 352, 374, 440, 484, 521, 544, 605, 680, 748, 880, 935, 968, 1042, 1210, 1360, 1496, 1760, 1870, 1936, 2057, 2084, 2420, 2605, 2720, 2992, 3740, 3872, 4114, 4168, 4840, 5210, 5731, 5984, 7480, 8228, 8336, 8857, 9680, 10285, 10420, 11462, 14960, 16456, 16672, 17714, 19360, 20570, 20840, 22924, 28655, 29920, 32912, 35428, 41140, 41680, 44285, 45848, 57310, 63041, 65824, 70856, 82280, 83360, 88570, 91696, 97427, 114620, 126082, 141712, 164560, 177140, 183392, 194854, 229240, 252164, 283424, 315205, 329120, 354280, 389708, 458480, 487135, 504328, 630410, 708560, 779416, 916960, 974270, 1008656, 1071697, 1260820, 1417120, 1558832, 1948540, 2017312, 2143394, 2521640, 3117664, 3897080, 4286788, 5043280, 5358485, 7794160, 8573576, 10086560, 10716970, 15588320, 17147152, 21433940, 34294304, 42867880, 85735760, 171471520]

約数ペア:

[(1, 171471520), (2, 85735760), (4, 42867880), (5, 34294304), (8, 21433940), (10, 17147152), (11, 15588320), (16, 10716970), (17, 10086560), (20, 8573576), (22, 7794160), (32, 5358485), (34, 5043280), (40, 4286788), (44, 3897080), (55, 3117664), (68, 2521640), (80, 2143394), (85, 2017312), (88, 1948540), (110, 1558832), (121, 1417120), (136, 1260820), (160, 1071697), (170, 1008656), (176, 974270), (187, 916960), (220, 779416), (242, 708560), (272, 630410), (340, 504328), (352, 487135), (374, 458480), (440, 389708), (484, 354280), (521, 329120), (544, 315205), (605, 283424), (680, 252164), (748, 229240), (880, 194854), (935, 183392), (968, 177140), (1042, 164560), (1210, 141712), (1360, 126082), (1496, 114620), (1760, 97427), (1870, 91696), (1936, 88570), (2057, 83360), (2084, 82280), (2420, 70856), (2605, 65824), (2720, 63041), (2992, 57310), (3740, 45848), (3872, 44285), (4114, 41680), (4168, 41140), (4840, 35428), (5210, 32912), (5731, 29920), (5984, 28655), (7480, 22924), (8228, 20840), (8336, 20570), (8857, 19360), (9680, 17714), (10285, 16672), (10420, 16456), (11462, 14960)]