257340960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{1033}}^1$

素因数の和:1227

約数の個数: 144

約数和(自身を含む): 884107224

約数和(自身を除く): 626766264

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 173, 180, 240, 288, 346, 360, 480, 519, 692, 720, 865, 1033, 1038, 1384, 1440, 1557, 1730, 2066, 2076, 2595, 2768, 3099, 3114, 3460, 4132, 4152, 5165, 5190, 5536, 6198, 6228, 6920, 7785, 8264, 8304, 9297, 10330, 10380, 12396, 12456, 13840, 15495, 15570, 16528, 16608, 18594, 20660, 20760, 24792, 24912, 27680, 30990, 31140, 33056, 37188, 41320, 41520, 46485, 49584, 49824, 61980, 62280, 74376, 82640, 83040, 92970, 99168, 123960, 124560, 148752, 165280, 178709, 185940, 247920, 249120, 297504, 357418, 371880, 495840, 536127, 714836, 743760, 893545, 1072254, 1429672, 1487520, 1608381, 1787090, 2144508, 2680635, 2859344, 3216762, 3574180, 4289016, 5361270, 5718688, 6433524, 7148360, 8041905, 8578032, 10722540, 12867048, 14296720, 16083810, 17156064, 21445080, 25734096, 28593440, 32167620, 42890160, 51468192, 64335240, 85780320, 128670480, 257340960]

約数ペア:

[(1, 257340960), (2, 128670480), (3, 85780320), (4, 64335240), (5, 51468192), (6, 42890160), (8, 32167620), (9, 28593440), (10, 25734096), (12, 21445080), (15, 17156064), (16, 16083810), (18, 14296720), (20, 12867048), (24, 10722540), (30, 8578032), (32, 8041905), (36, 7148360), (40, 6433524), (45, 5718688), (48, 5361270), (60, 4289016), (72, 3574180), (80, 3216762), (90, 2859344), (96, 2680635), (120, 2144508), (144, 1787090), (160, 1608381), (173, 1487520), (180, 1429672), (240, 1072254), (288, 893545), (346, 743760), (360, 714836), (480, 536127), (519, 495840), (692, 371880), (720, 357418), (865, 297504), (1033, 249120), (1038, 247920), (1384, 185940), (1440, 178709), (1557, 165280), (1730, 148752), (2066, 124560), (2076, 123960), (2595, 99168), (2768, 92970), (3099, 83040), (3114, 82640), (3460, 74376), (4132, 62280), (4152, 61980), (5165, 49824), (5190, 49584), (5536, 46485), (6198, 41520), (6228, 41320), (6920, 37188), (7785, 33056), (8264, 31140), (8304, 30990), (9297, 27680), (10330, 24912), (10380, 24792), (12396, 20760), (12456, 20660), (13840, 18594), (15495, 16608), (15570, 16528)]