157810960

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^3$

素因数の和:173

約数の個数: 80

約数和(自身を含む): 394617600

約数和(自身を除く): 236806640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 47, 76, 80, 94, 95, 152, 188, 190, 235, 304, 376, 380, 470, 752, 760, 893, 940, 1520, 1786, 1880, 2209, 3572, 3760, 4418, 4465, 7144, 8836, 8930, 11045, 14288, 17672, 17860, 22090, 35344, 35720, 41971, 44180, 71440, 83942, 88360, 103823, 167884, 176720, 207646, 209855, 335768, 415292, 419710, 519115, 671536, 830584, 839420, 1038230, 1661168, 1678840, 1972637, 2076460, 3357680, 3945274, 4152920, 7890548, 8305840, 9863185, 15781096, 19726370, 31562192, 39452740, 78905480, 157810960]

約数ペア:

[(1, 157810960), (2, 78905480), (4, 39452740), (5, 31562192), (8, 19726370), (10, 15781096), (16, 9863185), (19, 8305840), (20, 7890548), (38, 4152920), (40, 3945274), (47, 3357680), (76, 2076460), (80, 1972637), (94, 1678840), (95, 1661168), (152, 1038230), (188, 839420), (190, 830584), (235, 671536), (304, 519115), (376, 419710), (380, 415292), (470, 335768), (752, 209855), (760, 207646), (893, 176720), (940, 167884), (1520, 103823), (1786, 88360), (1880, 83942), (2209, 71440), (3572, 44180), (3760, 41971), (4418, 35720), (4465, 35344), (7144, 22090), (8836, 17860), (8930, 17672), (11045, 14288)]