257119920

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{39679}}^1$

素因数の和:39704

約数の個数: 100

約数和(自身を含む): 893038080

約数和(自身を除く): 635918160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 39679, 79358, 119037, 158716, 198395, 238074, 317432, 357111, 396790, 476148, 595185, 634864, 714222, 793580, 952296, 1071333, 1190370, 1428444, 1587160, 1785555, 1904592, 2142666, 2380740, 2856888, 3174320, 3213999, 3571110, 4285332, 4761480, 5356665, 5713776, 6427998, 7142220, 8570664, 9522960, 10713330, 12855996, 14284440, 16069995, 17141328, 21426660, 25711992, 28568880, 32139990, 42853320, 51423984, 64279980, 85706640, 128559960, 257119920]

約数ペア:

[(1, 257119920), (2, 128559960), (3, 85706640), (4, 64279980), (5, 51423984), (6, 42853320), (8, 32139990), (9, 28568880), (10, 25711992), (12, 21426660), (15, 17141328), (16, 16069995), (18, 14284440), (20, 12855996), (24, 10713330), (27, 9522960), (30, 8570664), (36, 7142220), (40, 6427998), (45, 5713776), (48, 5356665), (54, 4761480), (60, 4285332), (72, 3571110), (80, 3213999), (81, 3174320), (90, 2856888), (108, 2380740), (120, 2142666), (135, 1904592), (144, 1785555), (162, 1587160), (180, 1428444), (216, 1190370), (240, 1071333), (270, 952296), (324, 793580), (360, 714222), (405, 634864), (432, 595185), (540, 476148), (648, 396790), (720, 357111), (810, 317432), (1080, 238074), (1296, 198395), (1620, 158716), (2160, 119037), (3240, 79358), (6480, 39679)]