261872640

素因数分解:

$2^{10}\times 3^2\times 5^1\times {\mathrm{5683}}^1$

素因数の和:5714

約数の個数: 132

約数和(自身を含む): 907541544

約数和(自身を除く): 645668904

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, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1024, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 4608, 5120, 5683, 5760, 7680, 9216, 11366, 11520, 15360, 17049, 22732, 23040, 28415, 34098, 45464, 46080, 51147, 56830, 68196, 85245, 90928, 102294, 113660, 136392, 170490, 181856, 204588, 227320, 255735, 272784, 340980, 363712, 409176, 454640, 511470, 545568, 681960, 727424, 818352, 909280, 1022940, 1091136, 1363920, 1454848, 1636704, 1818560, 2045880, 2182272, 2727840, 2909696, 3273408, 3637120, 4091760, 4364544, 5455680, 5819392, 6546816, 7274240, 8183520, 8729088, 10911360, 13093632, 14548480, 16367040, 17458176, 21822720, 26187264, 29096960, 32734080, 43645440, 52374528, 65468160, 87290880, 130936320, 261872640]

約数ペア:

[(1, 261872640), (2, 130936320), (3, 87290880), (4, 65468160), (5, 52374528), (6, 43645440), (8, 32734080), (9, 29096960), (10, 26187264), (12, 21822720), (15, 17458176), (16, 16367040), (18, 14548480), (20, 13093632), (24, 10911360), (30, 8729088), (32, 8183520), (36, 7274240), (40, 6546816), (45, 5819392), (48, 5455680), (60, 4364544), (64, 4091760), (72, 3637120), (80, 3273408), (90, 2909696), (96, 2727840), (120, 2182272), (128, 2045880), (144, 1818560), (160, 1636704), (180, 1454848), (192, 1363920), (240, 1091136), (256, 1022940), (288, 909280), (320, 818352), (360, 727424), (384, 681960), (480, 545568), (512, 511470), (576, 454640), (640, 409176), (720, 363712), (768, 340980), (960, 272784), (1024, 255735), (1152, 227320), (1280, 204588), (1440, 181856), (1536, 170490), (1920, 136392), (2304, 113660), (2560, 102294), (2880, 90928), (3072, 85245), (3840, 68196), (4608, 56830), (5120, 51147), (5683, 46080), (5760, 45464), (7680, 34098), (9216, 28415), (11366, 23040), (11520, 22732), (15360, 17049)]