257591520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4363}}^1$

素因数の和:4425

約数の個数: 144

約数和(自身を含む): 900677232

約数和(自身を除く): 643085712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 96, 120, 123, 144, 160, 164, 180, 205, 240, 246, 288, 328, 360, 369, 410, 480, 492, 615, 656, 720, 738, 820, 984, 1230, 1312, 1440, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 3936, 4363, 4920, 5904, 6560, 7380, 8726, 9840, 11808, 13089, 14760, 17452, 19680, 21815, 26178, 29520, 34904, 39267, 43630, 52356, 59040, 65445, 69808, 78534, 87260, 104712, 130890, 139616, 157068, 174520, 178883, 196335, 209424, 261780, 314136, 349040, 357766, 392670, 418848, 523560, 536649, 628272, 698080, 715532, 785340, 894415, 1047120, 1073298, 1256544, 1431064, 1570680, 1609947, 1788830, 2094240, 2146596, 2683245, 2862128, 3141360, 3219894, 3577660, 4293192, 5366490, 5724256, 6282720, 6439788, 7155320, 8049735, 8586384, 10732980, 12879576, 14310640, 16099470, 17172768, 21465960, 25759152, 28621280, 32198940, 42931920, 51518304, 64397880, 85863840, 128795760, 257591520]

約数ペア:

[(1, 257591520), (2, 128795760), (3, 85863840), (4, 64397880), (5, 51518304), (6, 42931920), (8, 32198940), (9, 28621280), (10, 25759152), (12, 21465960), (15, 17172768), (16, 16099470), (18, 14310640), (20, 12879576), (24, 10732980), (30, 8586384), (32, 8049735), (36, 7155320), (40, 6439788), (41, 6282720), (45, 5724256), (48, 5366490), (60, 4293192), (72, 3577660), (80, 3219894), (82, 3141360), (90, 2862128), (96, 2683245), (120, 2146596), (123, 2094240), (144, 1788830), (160, 1609947), (164, 1570680), (180, 1431064), (205, 1256544), (240, 1073298), (246, 1047120), (288, 894415), (328, 785340), (360, 715532), (369, 698080), (410, 628272), (480, 536649), (492, 523560), (615, 418848), (656, 392670), (720, 357766), (738, 349040), (820, 314136), (984, 261780), (1230, 209424), (1312, 196335), (1440, 178883), (1476, 174520), (1640, 157068), (1845, 139616), (1968, 130890), (2460, 104712), (2952, 87260), (3280, 78534), (3690, 69808), (3936, 65445), (4363, 59040), (4920, 52356), (5904, 43630), (6560, 39267), (7380, 34904), (8726, 29520), (9840, 26178), (11808, 21815), (13089, 19680), (14760, 17452)]