261041280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1721}}^1$

素因数の和:1822

約数の個数: 128

約数和(自身を含む): 843091200

約数和(自身を除く): 582049920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 158, 160, 192, 237, 240, 316, 320, 384, 395, 474, 480, 632, 640, 790, 948, 960, 1185, 1264, 1580, 1721, 1896, 1920, 2370, 2528, 3160, 3442, 3792, 4740, 5056, 5163, 6320, 6884, 7584, 8605, 9480, 10112, 10326, 12640, 13768, 15168, 17210, 18960, 20652, 25280, 25815, 27536, 30336, 34420, 37920, 41304, 50560, 51630, 55072, 68840, 75840, 82608, 103260, 110144, 135959, 137680, 151680, 165216, 206520, 220288, 271918, 275360, 330432, 407877, 413040, 543836, 550720, 660864, 679795, 815754, 826080, 1087672, 1101440, 1359590, 1631508, 1652160, 2039385, 2175344, 2719180, 3263016, 3304320, 4078770, 4350688, 5438360, 6526032, 8157540, 8701376, 10876720, 13052064, 16315080, 17402752, 21753440, 26104128, 32630160, 43506880, 52208256, 65260320, 87013760, 130520640, 261041280]

約数ペア:

[(1, 261041280), (2, 130520640), (3, 87013760), (4, 65260320), (5, 52208256), (6, 43506880), (8, 32630160), (10, 26104128), (12, 21753440), (15, 17402752), (16, 16315080), (20, 13052064), (24, 10876720), (30, 8701376), (32, 8157540), (40, 6526032), (48, 5438360), (60, 4350688), (64, 4078770), (79, 3304320), (80, 3263016), (96, 2719180), (120, 2175344), (128, 2039385), (158, 1652160), (160, 1631508), (192, 1359590), (237, 1101440), (240, 1087672), (316, 826080), (320, 815754), (384, 679795), (395, 660864), (474, 550720), (480, 543836), (632, 413040), (640, 407877), (790, 330432), (948, 275360), (960, 271918), (1185, 220288), (1264, 206520), (1580, 165216), (1721, 151680), (1896, 137680), (1920, 135959), (2370, 110144), (2528, 103260), (3160, 82608), (3442, 75840), (3792, 68840), (4740, 55072), (5056, 51630), (5163, 50560), (6320, 41304), (6884, 37920), (7584, 34420), (8605, 30336), (9480, 27536), (10112, 25815), (10326, 25280), (12640, 20652), (13768, 18960), (15168, 17210)]