180278080

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:384

約数の個数: 112

約数和(自身を含む): 457200000

約数和(自身を除く): 276921920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 149, 152, 160, 190, 199, 298, 304, 320, 380, 398, 596, 608, 745, 760, 796, 995, 1192, 1216, 1490, 1520, 1592, 1990, 2384, 2831, 2980, 3040, 3184, 3781, 3980, 4768, 5662, 5960, 6080, 6368, 7562, 7960, 9536, 11324, 11920, 12736, 14155, 15124, 15920, 18905, 22648, 23840, 28310, 29651, 30248, 31840, 37810, 45296, 47680, 56620, 59302, 60496, 63680, 75620, 90592, 113240, 118604, 120992, 148255, 151240, 181184, 226480, 237208, 241984, 296510, 302480, 452960, 474416, 563369, 593020, 604960, 905920, 948832, 1126738, 1186040, 1209920, 1897664, 2253476, 2372080, 2816845, 4506952, 4744160, 5633690, 9013904, 9488320, 11267380, 18027808, 22534760, 36055616, 45069520, 90139040, 180278080]

約数ペア:

[(1, 180278080), (2, 90139040), (4, 45069520), (5, 36055616), (8, 22534760), (10, 18027808), (16, 11267380), (19, 9488320), (20, 9013904), (32, 5633690), (38, 4744160), (40, 4506952), (64, 2816845), (76, 2372080), (80, 2253476), (95, 1897664), (149, 1209920), (152, 1186040), (160, 1126738), (190, 948832), (199, 905920), (298, 604960), (304, 593020), (320, 563369), (380, 474416), (398, 452960), (596, 302480), (608, 296510), (745, 241984), (760, 237208), (796, 226480), (995, 181184), (1192, 151240), (1216, 148255), (1490, 120992), (1520, 118604), (1592, 113240), (1990, 90592), (2384, 75620), (2831, 63680), (2980, 60496), (3040, 59302), (3184, 56620), (3781, 47680), (3980, 45296), (4768, 37810), (5662, 31840), (5960, 30248), (6080, 29651), (6368, 28310), (7562, 23840), (7960, 22648), (9536, 18905), (11324, 15920), (11920, 15124), (12736, 14155)]