20125067520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{275837}}^1$

素因数の和:275880

約数の個数: 144

約数和(自身を含む): 67657544640

約数和(自身を除く): 47532477120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 128, 152, 160, 190, 192, 228, 240, 256, 285, 304, 320, 380, 384, 456, 480, 570, 608, 640, 760, 768, 912, 960, 1140, 1216, 1280, 1520, 1824, 1920, 2280, 2432, 3040, 3648, 3840, 4560, 4864, 6080, 7296, 9120, 12160, 14592, 18240, 24320, 36480, 72960, 275837, 551674, 827511, 1103348, 1379185, 1655022, 2206696, 2758370, 3310044, 4137555, 4413392, 5240903, 5516740, 6620088, 8275110, 8826784, 10481806, 11033480, 13240176, 15722709, 16550220, 17653568, 20963612, 22066960, 26204515, 26480352, 31445418, 33100440, 35307136, 41927224, 44133920, 52409030, 52960704, 62890836, 66200880, 70614272, 78613545, 83854448, 88267840, 104818060, 105921408, 125781672, 132401760, 157227090, 167708896, 176535680, 209636120, 211842816, 251563344, 264803520, 314454180, 335417792, 353071360, 419272240, 503126688, 529607040, 628908360, 670835584, 838544480, 1006253376, 1059214080, 1257816720, 1341671168, 1677088960, 2012506752, 2515633440, 3354177920, 4025013504, 5031266880, 6708355840, 10062533760, 20125067520]

約数ペア:

[(1, 20125067520), (2, 10062533760), (3, 6708355840), (4, 5031266880), (5, 4025013504), (6, 3354177920), (8, 2515633440), (10, 2012506752), (12, 1677088960), (15, 1341671168), (16, 1257816720), (19, 1059214080), (20, 1006253376), (24, 838544480), (30, 670835584), (32, 628908360), (38, 529607040), (40, 503126688), (48, 419272240), (57, 353071360), (60, 335417792), (64, 314454180), (76, 264803520), (80, 251563344), (95, 211842816), (96, 209636120), (114, 176535680), (120, 167708896), (128, 157227090), (152, 132401760), (160, 125781672), (190, 105921408), (192, 104818060), (228, 88267840), (240, 83854448), (256, 78613545), (285, 70614272), (304, 66200880), (320, 62890836), (380, 52960704), (384, 52409030), (456, 44133920), (480, 41927224), (570, 35307136), (608, 33100440), (640, 31445418), (760, 26480352), (768, 26204515), (912, 22066960), (960, 20963612), (1140, 17653568), (1216, 16550220), (1280, 15722709), (1520, 13240176), (1824, 11033480), (1920, 10481806), (2280, 8826784), (2432, 8275110), (3040, 6620088), (3648, 5516740), (3840, 5240903), (4560, 4413392), (4864, 4137555), (6080, 3310044), (7296, 2758370), (9120, 2206696), (12160, 1655022), (14592, 1379185), (18240, 1103348), (24320, 827511), (36480, 551674), (72960, 275837)]