261875520

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1151}}^1$

素因数の和:1253

約数の個数: 168

約数和(自身を含む): 912936960

約数和(自身を除く): 651061440

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, 64, 72, 79, 80, 90, 96, 120, 144, 158, 160, 180, 192, 237, 240, 288, 316, 320, 360, 395, 474, 480, 576, 632, 711, 720, 790, 948, 960, 1151, 1185, 1264, 1422, 1440, 1580, 1896, 2302, 2370, 2528, 2844, 2880, 3160, 3453, 3555, 3792, 4604, 4740, 5056, 5688, 5755, 6320, 6906, 7110, 7584, 9208, 9480, 10359, 11376, 11510, 12640, 13812, 14220, 15168, 17265, 18416, 18960, 20718, 22752, 23020, 25280, 27624, 28440, 34530, 36832, 37920, 41436, 45504, 46040, 51795, 55248, 56880, 69060, 73664, 75840, 82872, 90929, 92080, 103590, 110496, 113760, 138120, 165744, 181858, 184160, 207180, 220992, 227520, 272787, 276240, 331488, 363716, 368320, 414360, 454645, 545574, 552480, 662976, 727432, 818361, 828720, 909290, 1091148, 1104960, 1363935, 1454864, 1636722, 1657440, 1818580, 2182296, 2727870, 2909728, 3273444, 3314880, 3637160, 4091805, 4364592, 5455740, 5819456, 6546888, 7274320, 8183610, 8729184, 10911480, 13093776, 14548640, 16367220, 17458368, 21822960, 26187552, 29097280, 32734440, 43645920, 52375104, 65468880, 87291840, 130937760, 261875520]

約数ペア:

[(1, 261875520), (2, 130937760), (3, 87291840), (4, 65468880), (5, 52375104), (6, 43645920), (8, 32734440), (9, 29097280), (10, 26187552), (12, 21822960), (15, 17458368), (16, 16367220), (18, 14548640), (20, 13093776), (24, 10911480), (30, 8729184), (32, 8183610), (36, 7274320), (40, 6546888), (45, 5819456), (48, 5455740), (60, 4364592), (64, 4091805), (72, 3637160), (79, 3314880), (80, 3273444), (90, 2909728), (96, 2727870), (120, 2182296), (144, 1818580), (158, 1657440), (160, 1636722), (180, 1454864), (192, 1363935), (237, 1104960), (240, 1091148), (288, 909290), (316, 828720), (320, 818361), (360, 727432), (395, 662976), (474, 552480), (480, 545574), (576, 454645), (632, 414360), (711, 368320), (720, 363716), (790, 331488), (948, 276240), (960, 272787), (1151, 227520), (1185, 220992), (1264, 207180), (1422, 184160), (1440, 181858), (1580, 165744), (1896, 138120), (2302, 113760), (2370, 110496), (2528, 103590), (2844, 92080), (2880, 90929), (3160, 82872), (3453, 75840), (3555, 73664), (3792, 69060), (4604, 56880), (4740, 55248), (5056, 51795), (5688, 46040), (5755, 45504), (6320, 41436), (6906, 37920), (7110, 36832), (7584, 34530), (9208, 28440), (9480, 27624), (10359, 25280), (11376, 23020), (11510, 22752), (12640, 20718), (13812, 18960), (14220, 18416), (15168, 17265)]