257922144

素因数分解:

$2^5\times 3^5\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:875

約数の個数: 144

約数和(自身を含む): 780146640

約数和(自身を除く): 522224496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 41, 48, 54, 72, 81, 82, 96, 108, 123, 144, 162, 164, 216, 243, 246, 288, 324, 328, 369, 432, 486, 492, 648, 656, 738, 809, 864, 972, 984, 1107, 1296, 1312, 1476, 1618, 1944, 1968, 2214, 2427, 2592, 2952, 3236, 3321, 3888, 3936, 4428, 4854, 5904, 6472, 6642, 7281, 7776, 8856, 9708, 9963, 11808, 12944, 13284, 14562, 17712, 19416, 19926, 21843, 25888, 26568, 29124, 33169, 35424, 38832, 39852, 43686, 53136, 58248, 65529, 66338, 77664, 79704, 87372, 99507, 106272, 116496, 131058, 132676, 159408, 174744, 196587, 199014, 232992, 262116, 265352, 298521, 318816, 349488, 393174, 398028, 524232, 530704, 597042, 698976, 786348, 796056, 895563, 1048464, 1061408, 1194084, 1572696, 1592112, 1791126, 2096928, 2388168, 2686689, 3145392, 3184224, 3582252, 4776336, 5373378, 6290784, 7164504, 8060067, 9552672, 10746756, 14329008, 16120134, 21493512, 28658016, 32240268, 42987024, 64480536, 85974048, 128961072, 257922144]

約数ペア:

[(1, 257922144), (2, 128961072), (3, 85974048), (4, 64480536), (6, 42987024), (8, 32240268), (9, 28658016), (12, 21493512), (16, 16120134), (18, 14329008), (24, 10746756), (27, 9552672), (32, 8060067), (36, 7164504), (41, 6290784), (48, 5373378), (54, 4776336), (72, 3582252), (81, 3184224), (82, 3145392), (96, 2686689), (108, 2388168), (123, 2096928), (144, 1791126), (162, 1592112), (164, 1572696), (216, 1194084), (243, 1061408), (246, 1048464), (288, 895563), (324, 796056), (328, 786348), (369, 698976), (432, 597042), (486, 530704), (492, 524232), (648, 398028), (656, 393174), (738, 349488), (809, 318816), (864, 298521), (972, 265352), (984, 262116), (1107, 232992), (1296, 199014), (1312, 196587), (1476, 174744), (1618, 159408), (1944, 132676), (1968, 131058), (2214, 116496), (2427, 106272), (2592, 99507), (2952, 87372), (3236, 79704), (3321, 77664), (3888, 66338), (3936, 65529), (4428, 58248), (4854, 53136), (5904, 43686), (6472, 39852), (6642, 38832), (7281, 35424), (7776, 33169), (8856, 29124), (9708, 26568), (9963, 25888), (11808, 21843), (12944, 19926), (13284, 19416), (14562, 17712)]