257747472

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:741

約数の個数: 120

約数和(自身を含む): 768924000

約数和(自身を除く): 511176528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 48, 51, 68, 72, 102, 136, 144, 153, 204, 211, 272, 306, 408, 422, 499, 612, 633, 816, 844, 998, 1224, 1266, 1497, 1688, 1899, 1996, 2448, 2532, 2994, 3376, 3587, 3798, 3992, 4491, 5064, 5988, 7174, 7596, 7984, 8483, 8982, 10128, 10761, 11976, 14348, 15192, 16966, 17964, 21522, 23952, 25449, 28696, 30384, 32283, 33932, 35928, 43044, 50898, 57392, 64566, 67864, 71856, 76347, 86088, 101796, 105289, 129132, 135728, 152694, 172176, 203592, 210578, 258264, 305388, 315867, 407184, 421156, 516528, 610776, 631734, 842312, 947601, 1221552, 1263468, 1684624, 1789913, 1895202, 2526936, 3579826, 3790404, 5053872, 5369739, 7159652, 7580808, 10739478, 14319304, 15161616, 16109217, 21478956, 28638608, 32218434, 42957912, 64436868, 85915824, 128873736, 257747472]

約数ペア:

[(1, 257747472), (2, 128873736), (3, 85915824), (4, 64436868), (6, 42957912), (8, 32218434), (9, 28638608), (12, 21478956), (16, 16109217), (17, 15161616), (18, 14319304), (24, 10739478), (34, 7580808), (36, 7159652), (48, 5369739), (51, 5053872), (68, 3790404), (72, 3579826), (102, 2526936), (136, 1895202), (144, 1789913), (153, 1684624), (204, 1263468), (211, 1221552), (272, 947601), (306, 842312), (408, 631734), (422, 610776), (499, 516528), (612, 421156), (633, 407184), (816, 315867), (844, 305388), (998, 258264), (1224, 210578), (1266, 203592), (1497, 172176), (1688, 152694), (1899, 135728), (1996, 129132), (2448, 105289), (2532, 101796), (2994, 86088), (3376, 76347), (3587, 71856), (3798, 67864), (3992, 64566), (4491, 57392), (5064, 50898), (5988, 43044), (7174, 35928), (7596, 33932), (7984, 32283), (8483, 30384), (8982, 28696), (10128, 25449), (10761, 23952), (11976, 21522), (14348, 17964), (15192, 16966)]